Triumvirate is a 1973 collaboration by Mike Bloomfield, John Hammond, Jr. and Dr. John. It is the only album they released together.
Personnel
Mike Bloomfield – lead guitar, keyboards, vocals
John Hammond, Jr. – guitar, harmonica, lead vocals
Dr. John – banjo, guitar, keyboards, organ, percussion, piano, vocals, arrangements
Thomas Jefferson Kaye – guitar, backing vocals
Chris Ethridge – bass
Jim Gordon – baritone saxophone
Jim Josea – soprano saxophone, alto saxophone, tenor saxophone
Jerry Jumonville – tenor and alto saxophone
George Bohanon – trombone
Richard "Blue" Mitchell – trumpet
Jessie Hill – vocals, backing vocals
Lorraine Rebennack – bass, backing vocals
Freddie Staehle – drums
John Boudreaux – percussion
Bennie Parks – percussion
Jessie Smith, Robbie Montgomery – backing vocals
Technical
Pete Weiss, Roger Nichols, Tony Reale - engineer
Ron Coro - art direction
Jim Marshall – photography