SmileThe Jayhawks includes: Gary Louris (vocals, guitar, synthesizer, melodica); Tim O'Reagan (vocals, guitar, drums, percussion); Marc Perlman (guitar, mandolin, synthesizer, bass, percussion); Kraig Johnson (guitar, background vocals). Additional personnel: Eric Heywood (pedal steel guitar, dobro); Bob Ezrin (accordion, keyboards, synthesizer, percussion, background vocals); Karen Grotberg (keyboards, background vocals); Patrick Seymour (synthesizer);