Wolfgang Muthspiel is an Austrian guitarist, composer, and founder/owner of Material Records. His intuitive, probing style has made him a first-call sideman since the 1980s. He has worked with Gary Burton, Youssou N'Dour, Gary Peacock, Paul Motian, and dozens more, pursuing everything from straight-ahead jazz to pop to electronic to world music. Muthspiel's sound, whether on electric or nylon-string acoustic guitars, is notable for its soft touch and elegant chords interspersed with fluid, single-string playing. His unaccompanied album Solo (2004) revealed Ornette Coleman's in...