Electric guitar with a neck and a body which has a first side wall, facing the guitar player, and a second side wall, facing away from the guitar player, said side walls delimiting a front and a back of the body at the edges, wherein the second side wall has an associated arcuate bow extending along it at least in sections which can have its distance from the second side wall adjusted and whose arc shape can be rotated into a concave and a convex position relative to the side wall.