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)
Inlay (guitar) shape for their fret markers to create a brand identity set themselves apart from competitors. Gibson uses isosceles trapezoids while Fender uses dots, but others include lightning bolts, letters and numbers. Smaller dots are also usually inlaid into the upper edge of the fretboard or the neck so as to be more visible to the player who views the instrument from the side. LEDs or optical fiber can be employed to illuminate the markers. This is mostly employed by players who perform in front of live audiences where the lighting is either insufficient or constantly changing. On guitars, there are