Nashville-by-way-of-Texas-based bluegrass quintet Cadillac Sky are led by singer/mandolin player/guitarist/violinist Bryan Simpson and feature Matt Menefee (banjo, upright piano, drums, glockenspiel), David Mayfield (guitar, percussion), Ross Holmes (mandolin, Mellotron), and Andy "Panda" Moritz (piano, percussion, bass). The group signed to the Skaggs Family label and released its debut album, Blind Man Walking, on January 23, 2007; it made the country charts. Gravity's Our Enemy followed on August 19, 2008, and Cadillac Sky switched to Dualtone Records for Letters in the Deep (June 8, 2010), produced by Dan Auerbach of the Black Keys. ~ William Ruhlmann