Seven-string guitar 2nd Law" album tour. Dino Cazares uses custom seven-string Ibanez guitars; Christian Olde Wolbers has his own signature Jackson seven-string guitar, Jeff Loomis has a signature model made by Schecter and Stephen Carpenter has several of his own models released by ESP. In the early 2000s, Roger McGuinn (renowned for his skills on the twelve-string guitar and for his long association with The Byrds) worked with C. F. Martin & Company to develop a seven-string folk guitar. McGuinn's guitar (currently being marketed by Martin) is tuned the same as a standard folk guitar with steel strings, but the third (G)
Muhammed Suiçmez Putrefaction" was released on Noise Solution Records (1999). Following the breakup of Necrophagist, Suiçmez currently works as an engineer at BMW. Suiçmez has 3 Custom Ibanez Xiphos guitars, one of which is a 7 string. His first guitar has reverse sharktooth inlays. His second custom (7 string) has a "Necrophagist" inlay on the fretboard. For most Necrophagist recordings Suiçmez is tuned in D standard (ADGCFAD for seven strings, DGCFAD otherwise). Suiçmez also had a 27 fret 7 string custom Ibanez, as seen on photos on his band's MySpace, but it was ruined when someone mishandled it backstage after a show.