There are multiple artists called “Amp”. 1) A British space rock/freeform band, formed by Richard Walker.
2) An upbeat dance/techno collaboration between the prolific ambient artist Pete Namlook (also known as Syn and Air) and hardcore/gabber DJ Dandy Jack.
3) A Los Angeles-based rap producer called AMP.
4) A Mexican rock group
5) A South Korean rock group.
6) Anointed Music Productions (Featuring Chung Lee, James Han & Sam Ock)

Read more about Amp on Last.fm.