The Bass (guitar) is tuned like the last 4 strings of a guitar, just several octaves lower.
It is used to provide a rhythmic and harmonic framework for a piece of music.
There are 4-string, 5-string, and 6-string basses, but we are showing here only the 4-string bass.
The following table shows the standard tuning for the Bass (guitar):
To produce different notes, press a string on one of the frets with the left hand, and pluck it with the right hand.
The following chart shows the notes produced by each string, when pressed on each fret: