Tim Timebomb is a music project by Tim Armstrong, best known as a member of the punk rock band Rancid. Armstrong has recorded a large number of songs – a mixture of cover versions, including Rancid covers, and original songs, including some tracks from his musical film project RocknNRoll Theater – with a variety of supporting musicians. Tim Armstrong is a Grammy Award-winning musician, songwriter, artist, director, poet, record producer and independent label owner. During the 1980s he served in several hardcore and ska punk bands, most notably the band Operation Ivy. In 1991, he formed the seminal punk rock band Rancid, which is credited with the mainstream revival of punk rock in the mid-1990s, and is one the most commercially successful and respected punk bands of all time. Armstrong earned a Grammy in for his work on reggae legend Jimmy Cliff’s album Rebirth.