BadBadNotGood & Ghostface Killah Sour Soul

Sour Soul is the collaborative album from for which BBNG and Ghostface Killah sought inspiration from the music of the 1960s and 70s. This included the recording techniques and production of that era, eschewing sampling in favor of live instrumentation. All tracks are produced by Frank Dukes, with additional production from BadBadNotGood and Wayne Gordon. MF DOOM, Elzhi, Danny Brown and Tree contributed feature guest spots. Ghostface does not appear on tracks 1, 5 and 12, which are instrumental tracks.

A majority of tracks were recorded in Thomas Brenneck's Dunham Sound Studios in Williamsburg, Brooklyn with contributors from New York soul revival scene including sessions musicians from The Budos Band and Daptone Records engineer Wayne Gordon. Other recording sessions took place in Frank Dukes' Kingsway Studios with contributions from Toronto artists River Tiber and David Lewis.