Mumy has released a number of solo CDs, including Dying to Be Heard, In the Current, Pandora's Box, After Dreams Come True, Los Angeles Times and Ghosts, as well as nine albums with music partner Robert Haimer as Barnes and Barnes. Their most famous hit is the song "Fish Heads", which Rolling Stone named one of the top 100 videos of all time. He also performs with the Jenerators, a blues-rock band based in Los Angeles featuring Tom Hebenstreit on vocals, electric guitars, and keyboards; Mumy on vocals, acoustic and electric guitars, harmonica, keyboards and percussion; Gary Stockdale on vocals and bass; Miguel Ferrer on vocals, percussion and drums; David Jolliffe on guitar, percussion and vocals; and Chris Ross on drums and percussion. Additionally, Mumy released a Byrds tribute song, "When Roger Was Jim" (2012). In 2017, along with John Cowsill (The Cowsills) and Vicki Peterson (The Bangles) he founded the Action Skulls. Their first CD, Angels Hear, which also included posthumous contributions from the bassist Rick Rosas, was released on September 27, 2017.Andy Hermann, "Meet Action Skulls, a New Band Featuring Vicki Peterson, John Cowsill and Bill Mumy", LA Weekly, August 4, 2017.
Mumy has released a number of solo CDs, including Dying to Be Heard, In the Current, Pandora's Box, After Dreams Come True, Los Angeles Times and Ghosts, as well as nine albums with music partner Robert Haimer as Barnes and Barnes. Their most famous hit is the song "Fish Heads", which Rolling Stone named one of the top 100 videos of all time. He also performs with the Jenerators, a blues-rock band based in Los Angeles featuring Tom Hebenstreit on vocals, electric guitars, and keyboards; Mumy on vocals, acoustic and electric guitars, harmonica, keyboards and percussion; Gary Stockdale on vocals and bass; Miguel Ferrer on vocals, percussion and drums; David Jolliffe on guitar, percussion and vocals; and Chris Ross on drums and percussion. Additionally, Mumy released a Byrds tribute song, "When Roger Was Jim" (2012). In 2017, along with John Cowsill (The Cowsills) and Vicki Peterson (The Bangles) he founded the Action Skulls. Their first CD, Angels Hear, which also included posthumous contributions from the bassist Rick Rosas, was released on September 27, 2017.Andy Hermann, "Meet Action Skulls, a New Band Featuring Vicki Peterson, John Cowsill and Bill Mumy", LA Weekly, August 4, 2017.