Composed of bass player Bob Skeat, guitarist Mark Abrahams, drummer Mike Trescott, and guitarist Andy Powell, the latter of whom began recording with the group more than 50 years ago, a legendary rock outfit plays Davenport's Redstone Room in the venue's March 8 concert with Wishbone Ash, an ensemble so gifted and venerated that its past openers at concert events have included the likes of Bruce Springsteen, Aerosmith, and KISS.