The bass guitar is a stringed instrument that provides the low-end sound in music. It typically has four strings, tuned an octave lower than a regular guitar, and is played by plucking or strumming the strings. The bass guitar is essential in many genres, including rock, jazz, and funk, as it helps create the rhythm and foundation of a song. Unlike the regular guitar, which often plays melodies, the bass guitar focuses on playing basslines and harmonies. It can be played solo or as part of a band, working closely with the drums to establish the groove. Many famous musicians, like Paul McCartney and Flea, have showcased the instrument's versatility and importance in modern music.