Zapp (also known as the Zapp Band or Zapp & Roger) is an American funk band that emerged from Dayton, Ohio, in 1977. Particularly influential in the electro subgenre of funk, Zapp were known for their trademark use of the talk-box effect. 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. Read more on Last.fm