Personnel: Bill Monroe (vocals, mandolin); Jimmy Martin, Carter Stanley, Eddie Mayfield, Jimmy Maynard (vocals, guitar); Rudy Lyle (vocals, banjo); Bill Monroe (vocals, mandolin); Ernie Newton (vocals, bass); Kenny Baker, Charlie Cline, Boudleaux Bryant, Culley Holt (vocals); Jimmy Selph, Lester Sandy, Carl Butler, Norman Blake, Thomas Grady Martin (guitar); Robert Lee Pennington, Don Stover (banjo); Vassar Clements, Merle "Red" Taylor, Tommy Jackson, Hal Smith (fiddle); Joel Price (bass, background vocals); Ernie Newton, Howard Watts, Bessie Lee Mauldin (bass); Farris Coursey (drums); Cindy Nelson (background vocals).
Producers include: Bill Monroe, Owen Bradley, Paul Cohen, Walter Haynes, Harry Silverstein.
Compilation producers: Mary Katherine Aldin, Andy McKaie.
Recorded between 1950 & 1981. Includes liner notes by Mary Katherine Aldin.