 The original line-up consisted of four Troutman brothers—frontman Roger, Larry, Lester and Terry—and non-Troutman family members Bobby Glover, Gregory Jackson, Sherman Fleetwood, Jerome Derrickson, Eddie Barber and Jannetta Boyce.Zapp also worked closely with George Clinton and Bootsy Collins of Parliament-Funkadelic during its early stages, their support being a factor in the group gaining a record deal with Warner Bros. Records in 1979.Zapp released its eponymous debut album in 1980, and achieved mainstream recognition from the single "More Bounce to the Ounce".