Bass guitar the 3rd, 5th, 7th, 9th fret and 12th fret (the 12th fret being the octave of the open string) and on the octave-up equivalents of the 3rd fret and as many additional positions as an instrument has frets for. Typically, one marker is on the 3rd, 5th, 7th and 9th fret positions and two markers on the 12th fret. The long scale necks on Leo Fender's basses—with a scale length (distance between nut and bridge) of — set the standard for electric basses, although "short scale" instruments, such as the Höfner 500/1 "violin bass" played by Paul McCartney, and the
Eight-string bass guitar Eight-string bass guitar An eight-string bass guitar is a type of bass guitar with double course strings normally tuned in octaves, with both strings in a course usually played simultaneously. As on a 12-string guitar, this produces a natural chorus effect due to the subtle differences in string timbre. Such approach has been extended with the introduction of 10-, 12-, 15- or more-string bass guitars, which either double the strings of standard 5- or 6-string basses or even triple the strings of normal 4-, 5- or 6-string basses. The 8-string bass guitar was invented by electrical engineer, bass player and