There is more than one artist with this name: 1) Crumb got together in 2004 with no great plan in mind except to play back to basics short guitar pop tunes. They are Dez Foley (drums/vocals), Fiachra McCarthy (bass) and the late Derrick Dalton (guitar/vocals) 2)The San Francisco alternative rock band Crumb was formed in 1993 by vocalist Robby Cronholm and guitarist Mark Weinberg, longtime friends who first began writing and performing together while still in high school.