Timebomb) recorded a song together when Michaels appeared on "Living in a Dangerous Land", a song Armstrong released as part of his Tim Timebomb and Friends series. Band members Jesse Michaels – lead vocals Lint – guitar, backing vocals Matt McCall – bass, backing vocals Dave Mello – drums, backing vocals Cameo studio appearance Pat Mello – backing vocals Discography Albums and EPs Compilation appearances Note: these are compilation albums featuring multiple artists. Most of them contain only one or two Operation Ivy songs. Bootlegs References External links American ska punk musical groups Punk rock groups from California Third-wave ska groups Musical groups established in 1987 Musical groups disestablished in 1989 Musical groups from Berkeley, California Hellcat Records artists