Michael HossackMichael Hossack was >> in The Doobie Brothers - Live at Wolf Trap as 'Himself - Drums, Percussion'.Tom JohnstonTom Johnston was >> in The Doobie Brothers - Live at Wolf Trap as 'Himself - Guitars, Vocals'.Keith KnudsenKeith Knudsen was >> in The Doobie Brothers - Live at Wolf Trap as 'Himself - Drums, Percussion, Vocals'.John McFeeJohn McFee was >> in The Doobie Brothers - Live at Wolf Trap as 'Himself - Guitars, Dobro, Pedal steel guitar, Harmonica, Violin, Mandolin, Vocals'.Patrick SimmonsPatrick Simmons was >> in The Doobie Brothers - Live at Wolf Trap as 'Himself - Guitars, Banjo, Vocals'.Guy AllisonGuy Allison was >> in The Doobie Brothers - Live at Wolf Trap as 'Himself - Keyboards, Vocals, Background vocals'.Marc RussoMarc Russo was >> in The Doobie Brothers - Live at Wolf Trap as 'Himself - Saxophone, Horn arrangements'.SkylarkSkylark was >> in The Doobie Brothers - Live at Wolf Trap as 'Himself - Bass, Background Vocals'.M. B. GordyM. B. Gordy was >> in The Doobie Brothers - Live at Wolf Trap as 'Himself - Percussion'.Marvin McFaddenMarvin McFadden was >> in The Doobie Brothers - Live at Wolf Trap as 'Himself - Trumpet'.Mic GilletteMic Gillette was >> in The Doobie Brothers - Live at Wolf Trap as 'Himself - Trombone, Trumpet'.Michael DrummMichael Drumm was >> in The Doobie Brothers - Live at Wolf Trap as 'Producer, Director'Andrea AllenAndrea Allen was >> in The Doobie Brothers - Live at Wolf Trap as 'Producer'