he used a 1958 Flying V. Z Frank Zappa used a 1953/54 Les Paul Goldtop, an SG, a late 70s Les Paul Custom and an ES-5 Switchmaster. An ES-355 was his main guitar on his 1970 tour. Zappa usually heavily modified his guitars to include preamps, balanced outputs for studio work, and later, Fernandes sustainers. See also Gibson Guitar Corporation Gibson Guitar Corporation product list References Bibliography External links Gibson