Undisputed Truth has been played over 50 times on NTS, first on 25 April 2014. Undisputed Truth's music has been featured on 52 episodes.

American R&B and psychedelic soul group, founded by producer Norman Whitfield. Joe Harris, Billie Calvin, Brenda Evans were the original members. Billie Calvin and Brenda Evans left in 1973 and were replaced by Virginia McDonald ("Vee"), Tyrone Barkley ("Lil Ty"), Tyrone Douglas ("Big Ty") and Calvin "Doc" Stephenson. The group left Motown and followed Norman Whitfield to Whitfield Records in 1975. Virginia McDonald and Tyrone Douglas left, and Yvonne Stevens (aka Taka Boom) joined. The late '70s line-up often included musicians from Whitfield's other group, Rose Royce. Joe Harris, Marcy Thomas, Melvin Stewart and Lloyd Williams are who appear on the group's last album.