BASS GUITAR (ELECTRIC): The electric bass guitar was originally developed as an alternative to the string (double) bass to produce low notes, and now serves the bass function in a wide variety of music. Generally, the bass guitar is usually bigger than a regular electric guitar. The strings of the bass guitar are tuned one octave lower than the bottom four strings of the regular guitar: E', A', D, and G. This is the same tuning as the four strings of a string (double) bass. Some more recent models of the bass guitar have 5 or 6 strings. While the types of basslines performed by the bass guitarist vary widely from one style of music to another, the bass guitarist fulfills a similar role in most types of music: anchoring the harmonic framework and laying down the beat.