Duane Eddy, the guitarist whose signature twang can be heard in rock hits “Rebel Rouser” and “Peter Gunn,” died of cancer Tuesday. Duane Eddy, a pioneering guitar hero whose reverberating electric sound on instrumentals such as “Rebel Rouser” and “Peter Gunn” helped put the twang in early rock ’n’ roll and influenced George Harrison, Bruce Springsteen and countless other musicians, …