Session Bass

HISTORY OF BASS

1930s - 1940s
Musical instrument inventor Paul Tutmarc outside his music store in Seattle, Washington

In the 1930s, musician and inventor Paul Tutmarc from Seattle, Washington, developed the first electric string bass in its modern form, a fretted instrument designed to be held and played horizontally. The 1935 sales catalog for Tutmarc's company, Audiovox, featured his "Electric Bass Fiddle," a four-stringed, solid-bodied, fretted electric bass instrument with a 30½-inch scale length. The change to a "guitar" form made the instrument easier to hold and transport, and the addition of frets enabled bassists to play in tune more easily.This horizontally held Model 736 electric bass fiddle was the final design from an earlier model electric bass fiddle more traditionally viol-shaped. This intermediate step from a traditional upright bass to modern form electric bass is described in an interview with Paul Tutmarc himself. The February 17, 1935, issue of the Seattle post-Intelligencer newspaper broke the story of the beginnings of Tutmarc's quest to create a new instrument with an article headlined, "Pity Him No More - New Type Bull Fiddle Devised." and includes "Paul Tutmarc, Seattle music teacher and KOMO radio artist, has invented an electric bull-fiddle. One you can carry under your arm. And it doesn't even need a bow, either. You pluck a string - and out of the electric amplifier comes a rich, deep tone, sustained as if five or six bass violinists were bowing five or six bass-violins with masterly artistry. The tone is sustained as long as you want it, too, without a bow." ... "It's just a block of wood strung with bass-viol strings ... For the sake of tradition, he carved the block into a violin shape ... The first electric bass-viol is only four feet tall, instead of six. It could be made a lot smaller, but Tutmarc didn't want to be too revolutionary right off the bat. Bass violinists are a conservative race, and have to be accustomed gradually to the idea, he says. "Around 1947, Tutmarc's son, Bud, began marketing a similar bass under the Serenader brand name, prominently advertised in the nationally-distributed L.D. Heater Co. wholesale jobber catalogue of '48. However, the Tutmarc family inventions did not achieve market success.

1950s–1960s
Design patent issued to Leo Fender for the second-generation Precision Bass

In the 1950s, Leo Fender, with the help of his employee George Fullerton, developed the first mass-produced electric bass. His Fender Precision Bass, introduced in 1951, became a widely copied industry standard. The Precision Bass (or "P-bass") evolved from a simple, uncontoured "slab" body design similar to that of a Telecaster with a single coil pickup, to a contoured body design with beveled edges for comfort and a single four-pole "single coil pickup." This "split pickup", introduced in 1957, appears to have been two mandolin pickups (Fender was marketing a four string solid body electric mandolin at the time). Because the pole pieces of the coils were reversed with respect to each other, and the leads were also reversed with respect to each other, the two coils, wired in series, produced a humbucking effect (the same effect is achieved if the coils are wired in parallel).
A Fender Standard Jazz Bass (front and back views). The "Fender Bass was a revolutionary new instrument, one that could easily be played by an electric guitarist, could be easily transported to a gig, and could be amplified to just about any volume without feeding back" Monk Montgomery was the first bass player to tour with the Fender bass guitar, with Lionel Hampton's postwar big band. Roy Johnson, who replaced Montgomery in Hampton's band, and Shifty Henry with Louis Jordan & His Tympany Five, were other early Fender Bass pioneers. Bill Black, playing with Elvis Presley, adopted the Fender Precision Bass around 1957.
Following Fender's lead, Gibson released the violin-shaped Electric Bass with extendable end pin in 1953, allowing it to be played upright or horizontally. Gibson renamed the Electric Bass in 1958 as the EB-1 (The EB-1 was reissued around 1970, but this time without the end pin.) Also in 1958 Gibson released the maple arched top EB-2 described in the Gibson catalogue as A hollow-body electric bass that features a Bass/Baritone pushbutton for two different tonal characteristic. In 1959 these were followed by the more conventional-looking EB-0 Bass. The EB-0 was very similar to a Gibson SG in appearance (although the earliest examples have a slab-sided body shape closer to that of the double-cutaway Les Paul Special).
Gibson EB-3.Whereas Fender basses had pickups mounted in positions in between the base of the neck and the top of the bridge, many of Gibson's early basses featured one humbucking pickup mounted directly against the neck pocket. The EB-3, introduced in 1961, also had a "mini-humbucker" at the bridge position. Gibson basses also tended to be smaller, sleeker instruments; Gibson did not produce a 34" scale bass until 1963 with the release of the Thunderbird, which was also the first Gibson bass to utilize dual-humbucking pickups in a more traditional position, about halfway between the neck and bridge. A small number of other companies also began manufacturing bass guitars during the 1950s: Kay in 1952, and Danelectro in 1956;1956 saw the appearance at the German trade fair "Musikmesse Frankfurt" of the distinctive Hofner 500/1 violin bass ("Beatle Bass") made using violin construction techniques by Walter Hofner, a second generation violin luthier.In 1957 Rickenbacker introduced the model 4000 bass, the first bass to feature a neck-through-body design; the Fender and Gibson versions used bolt-on and glued-on necks.With the explosion of the popularity of rock music in the 1960s many more manufacturers began making electric basses.First introduced in 1960, the Fender Jazz Bass was known as the Deluxe Bass and was meant to accompany the Jazzmaster guitar. The Jazz Bass (often referred to as a "J-bass") featured two single-coil pickups, one close to the bridge and one in the Precision bass' split coil pickup position. The earliest production basses had a 'stacked' volume and tone control for each pickup. This was soon changed to the familiar configuration of a volume control for each pickup, and a single, passive tone control. The Jazz Bass' neck was narrower at the nut than the Precision bass (1½" versus 1¾").

1970s Fender Jazz Bass with maple fretboard

Another visual difference that set the Jazz Bass apart from the Precision is its "offset-waist" body. Pickup shapes on electric basses are often referred to as "P" or "J" pickups in reference to the visual and electrical differences between the Precision Bass and Jazz Bass pickups. Significantly, Fender chose to label the headstock of this model with a decal noting Jazz Bass Electric Bass.
Fender also began production of the Mustang Bass; a 30" scale length instrument used by bassists such as Tina Weymouth of Talking Heads and Bill Wyman of The Rolling Stones ("P" and "J" basses have a scale length of 34", a design echoed on most current production electric basses of all makes).
In the 1950s and 1960s, the instrument was often called "Fender bass", due to Fender's early dominance in the market.

1970s
Music Man Stingray Bass. Notice the pick-up placement that is ideal for slapping.

The 1970s saw the founding of Music Man Instruments by Tom Walker, Forrest White and Leo Fender, which produced the StingRay, the first widely-produced bass with active (powered) electronics. This amounts to an impedance buffering pre-amplifier on-board the instrument to lower the output impedance of the bass's pickup circuit, increasing low-end output, and overall frequency response (more lows and highs). Specific models became identified with particular styles of music, such as the Rickenbacker 4001 series, which became identified with progressive rock bassists like Chris Squire of Yes, while the StingRay was used by Louis Johnson of the funk band The Brothers Johnson.In 1971, Alembic established the template for what would subsequently be known as "boutique" or "high end" electric bass guitars. These expensive, custom-tailored instruments featured unique designs, premium wood bodies chosen and hand-finished by highly skilled luthiers, onboard electronics for preamplification and equalization, and innovative construction techniques such as multi-laminate neck-through-body construction and graphite necks. In the mid-1970s, Alembic and other "boutique" bass manufacturers such as Tobias produced 4- string basses and 5-string basses with a low "B" string. In 1975, bassist Anthony Jackson commissioned luthier Carl Thompson to a 6-string bass tuned (low to high) B, E, A, D, G, C.

1980s–2000s
An early 1980s-era Steinberger headless bass

In the 1980s, bass designers continued to explore new approaches. Ned Steinberger introduced a headless bass in 1979 and continued his innovations in the 1980s, using graphite and other new materials and (in 1984) introducing the Trans-Trem tremolo bar. In 1987, the Guild Guitar Corporation launched the fretless Ashbory bass, which used silicone rubber strings and a piezoelectric pickup to achieve a "double bass" sound with a short 18" scale length. In the late 1980s, MTV's "Unplugged" show, which featured bands performing with acoustic instruments, helped to popularize hollow-bodied acoustic bass guitars amplified with pickups.During the 1990s, as five-string basses became more widely available and more affordable, an increasing number of bassists in genres ranging from metal to gospel began using five-string instruments for added lower range - a low "B" below the standard "E" string. Some bass players who performed a lot in a solo setting used five-string basses to get a higher range by adding a high "C" string as the fifth string. As well, the onboard battery-powered electronics such as preamplifiers and equalizer circuits, which were previously only available on expensive "boutique" instruments, became increasingly available on modestly priced basses.In the 2000s, some bass manufacturers included digital modelling circuits inside the instrument to recreate tones and sounds from many models of basses (e.g., Line 6's Variax bass). Traditional bass designs such as the Fender Precision Bass and Fender Jazz Bass remain popular in the 2000s; in 2006, a 60th Anniversary P-bass was introduced by Fender, along with the introduction of the Fender Jaguar Bass.

Design considerations

Bass bodies are typically made of wood, although other materials such as graphite (for example, some of the Steinberger designs) have also been used. While a wide variety of woods are suitable for use in the body, neck, and fretboard of the bass guitar, the most common type of wood used for the body is alder, for the neck is maple, and for the fretboard is rosewood. Other commonly used woods include mahogany, maple, ash, and poplar for bodies, mahogany for necks, and maple and ebony for fretboards.Other design options include finishes, such as lacquer, wax and oil; flat and carved designs; Luthier-produced custom-designed instruments; headless basses, which have tuning machines in the bridge of the instrument (e.g. Steinberger and Hohner designs) and several artificial materials such as luthite. The use of artificial materials (e.g. BassLab) allows for unique production techniques such as die-casting, to produce complex body shapes. While most basses have solid bodies, they can also include hollow chambers to increase the resonance or reduce the weight of the instrument. Some basses are built with entirely hollow bodies, which change the tone and resonance of the instrument. Acoustic bass guitars are typically equipped with piezoelectric or magnetic pickups and amplified.
Instruments handmade by highly skilled luthiers are becoming increasingly available. Exotic materials include woods such as bubinga, wenge, ovangkol, ebony and goncalo alves. Graphite composite is used to make lightweight necks Exotic woods are used on more expensive instruments: for example, the company 'Alembic' is associated with the use of cocobolo as a body material or top layer because of its attractive grain. Warwick bass guitars are also well-known for exotic hardwoods: most of the necks are made of ovangkol, and the fingerboards wenge or ebony. Solid bubinga bodies are also used for tonal and aesthetic qualities.The "long scale" necks used on Leo Fender's basses, giving a scale length (distance between nut and bridge) of 34", remain the standard for electric basses. However, 30" or "short scale" instruments, such as the Höfner 500/1 "violin bass" played by Paul McCartney, and the Fender Mustang Bass are popular, especially for players with smaller hands. While 35", 35.5" and 36" scale lengths were once only available in "boutique" instruments, in the 2000s, many manufacturers have begun offering these lengths, also called an "extra long scale." This extra long scale provides a higher string tension, which yields a more defined tone on the low "B" string of 5- and 6-stringed instruments (or detuned 4-string basses).

Fretted and fretless basses
A fretless bass with flatwound strings; note the markers inlaid into the side of the fingerboard, to aid the performer in finding the correct pitch.

Another design consideration for the bass is whether to use frets on the fingerboard. On a fretted bass, the frets divide the fingerboard into semitone divisions (as on a guitar). The original Fender basses had 20 frets, but modern basses may have 24 or more. Fretless basses have a distinct sound, because the absence of frets means that the string must be pressed down directly onto the wood of the fingerboard as with the double bass. The string buzzes against the wood and is somewhat muted because the sounding portion of the string is in direct contact with the flesh of the player's finger. The fretless bass allows players to use the expressive devices of glissando, vibrato and microtonal intonations such as quarter tones and just intonation.Jazz fusion bassist Jaco Pastorius was known for his expressive fretless bass playing. Some bassists use both fretted and fretless basses in performances, according to the type of material they are performing, as with Pino Palladino, whose performance on the fretless bass during the 1980s made him a highly desirable session player backing high profile musicians that included Eric Clapton and David Gilmour. However, the late 1990s showed a shift toward fretted basses as well, as he branched out into a wide variety of genres. While fretless basses are often associated with jazz and jazz fusion, bassists from other genres use fretless basses, such as metal bassist Steve DiGiorgio and Colin Edwin of modern/progressive rock band Porcupine Tree. The first fretless bass guitar was made by Bill Wyman in 1961 when he converted an inexpensive Japanese fretted bass by removing the frets. The first production fretless bass was the Ampeg AUB-1 introduced in 1966, and Fender introduced a fretless Precision Bass in 1970. In the early 1970s, fusion-jazz bassist Jaco Pastorius created his own fretless bass by removing the frets from a Fender Jazz Bass, filling the holes with wood putty, and coating the fretboard with epoxy resin. Some fretless basses have "fret line" markers inlaid in the fingerboard as a guide, while others only use guide marks on the side of the neck. Tapewound (double bass type) and flatwound strings are sometimes used with the fretless bass so that the metal string windings will not wear down the fingerboard. Some fretless basses have fingerboards which are coated with epoxy to increase the durability of the fingerboard, enhance sustain and give a brighter tone. Although most fretless basses have four strings, five-string and six-string fretless basses are also available. Fretless basses with more than six strings are also available as "boutique" or custom-made instruments.

Strings and tuning
Main article: Bass guitar tuning
The tuning machines are mounted on the back of the headstock on the bass guitar neck; note the spiral metal worm gears.

The standard design for the electric bass guitar has four strings, tuned E, A, D and G, in fourths such that the open highest string, G, is an eleventh (an octave and a fourth) below middle C, making the tuning of all four strings the same as that of the double bass. This tuning is also the same as the standard tuning on the lower four strings on a 6-string guitar, only an octave lower. String types include all-metal strings (roundwound, flatwound, groundwound, or halfwound), metal strings with different coverings, such as tapewound and plastic-coatings. The variety of materials used in the strings gives bass players a range of tonal options. In the 1950s, bassists mostly used flatwound strings with a smooth surface, which had a smooth, damped sound reminiscent of a double bass. In the 1960s and 1970s, roundwound bass strings similar to guitar strings became popular, though flatwounds also continue to be popular. Roundwounds have a brighter timbre with greater sustain than flatwounds. A number of other tuning options and bass types have been used to extend the range of the instrument. The most common are four, five, or six strings: Washburn XB600, a six string bass
* Four strings with alternate tunings to obtain an extended lower range. Tuning in fifths e.g. CGDA gives an extended upper and lower range. Note positions on a right-handed 4-string bass in standard EADG tuning. The dots below the frets are often inlaid into the wood of bass necks, as a visual aid to help the player find different positions.
* Five strings usually tuned B-E-A-D-G, which provides extended lower range. Five string basses tuned to B-E-A-D-G (and sometimes A-D-G-C-F) are often used in contemporary rock and metal alongside seven string guitars, baritone guitars, and otherwise downtuned instruments. Another common tuning used on early five-string basses is E-A-D-G-C, known as "tenor tuning". This is still a popular tuning for jazz and solo bass. Other tunings such as C-E-A-D-G are used though rare. The fifth string provides a greater lower range (if a low B or A is used) or a greater upper range (if a high C string is added) than the 4-string bass, and gives access to more notes for any given hand position. The earliest five string was created by Fender in 1965. The Fender Bass V had the E-A-D-G-C tuning, but was unpopular. The common low B five string was created by Alembic for Jimmy Johnson as a custom instrument, and later Yamaha offered the first production model as the BB5000 in 1984.
* Six strings are usually tuned B-E-A-D-G-C. The 6-string bass is a 4-string bass with an additional low "B" string and a high "C" string. While much less common than 4- or 5-string basses, they are still used in Latin, jazz, and several other genres, as well as in studio work where a single instrument must be highly versatile. Alternate tunings for 6-string bass include B-E-A-D-G-B, matching the first five strings of an acoustic or electric guitar, and EADGBE, completely matching the tuning of a 6-string guitar but one octave lower allowing the use of guitar chord fingerings. Rarer tunings such as EADGCF and F#BEADG provide a lower or higher range in a given position while maintaining consistent string intervals. The original six-string bass was created by Danelectro in 1958, as a guitar tuned down an octave (EADGBE). These earlier instruments had a sound similar to an electric guitar tuned an octave below instead of a bass sound. In the 70's, Anthony Jackson worked with Carl Thompson and (later) Fodera-Smith to create the Contrabass guitar, which evolved to the modern six-string bass (BEADGC).
* Detuners, such as the Hipshot, are mechanical devices operated by the thumb on the fretting hand that allow one or more strings to be quickly detuned to a pre-set lower pitch. Hipshots are typically used to drop the "E"-string down to "D" on a four string bass.

Extended range approaches
A seven-string fretless bass

Some bassists have used other types of tuning methods to obtain an extended range or other benefits such as providing multiple octaves of notes at any given position, as well as a significantly larger tonal range. Instrument types or tunings used for this purpose include basses with fewer than four strings (1-string bass guitars, 2-string bass guitars, 3-string bass guitars (E-A-D);) alternate tunings (e.g., tenor bass, piccolo bass, and guitar-tuned basses) and 8, 10, 12 and 15-string basses, which are built on the same principle as the 12-string guitar, where the strings are grouped into "courses" tuned in unison or octaves, to be played simultaneously.

Extended Range Basses (ERBs) are basses with 6, 7, 8, 9, 10, 11, or 12 strings which are not doubling unisons or octaves. The 7-string bass (B-E-A-D-G-C-F) was built by luthier Michael Tobias in 1987. This instrument, which was commissioned by bassist Garry Goodman, was an early example of a bass with more than six single course strings. Conklin builds 8- and 9-string basses. The Guitarbass is a 10-string instrument with four bass strings (tuned E-A-D-G) and six guitar strings (tuned E-A-D-G-B-E). Luthier Michael Adler built the first 11-string bass in 2004 and completed the first single-course 12-string bass in 2005. Adler's 11- and 12-string instruments have the same range as a grand piano. Sub-contra basses, such as C#-F#-B-E ("C#" being at 17.32 Hz)have been created. Ibanez had released SR7VIISC in 2009, featuring a 30" scale and narrower width, and tuned as B-E-A-D-G-C-E; the company dubbed it a cross between bass and guitar.Yves Carbonne developed 10 and 12 string fretless sub-bass guitars.

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