He is best known as a member of the pop band Maroon 5, in which he plays several instruments, primarily bass guitar.

Farrar is the bass guitar player for the American rock band Phantom Planet.

In 2012, Farrar became a touring member of Maroon 5, playing various instruments, including guitars, occasional bass guitar, percussion and additional keyboards, singing backing vocals and providing samples and other special effects (using the MPC).

On August 31, 2012 – during a show in Argentina on the Overexposed Tour – Farrar filled-in for Mickey Madden on the bass guitar for the first time since 2001.

[10] With Hanson With Operation Aloha With Sara Bareilles With Bubble and Strife With Jasmine Ash With John Travolta and Olivia Newton-John With Oh Land With Tony Lucca With Rozzi Crane With Shoffy With Andy Grammer With Yuna With SuperM With Duncan Laurence With Band of Horses With Mandy Moore 2008 2010