Legendary hip-hop duo OutKast has released three EPs of DJ versions to celebrate the 20th anniversary of their classic album, Stankonia.

The EPs are dedicated to the album’s singles, Ms. Jackson, So Fresh, So Clean, and B.O.B. (Bombs Over Baghdad), and contain acapellas, instrumentals, and remixes. Included are DJ versions of the b-side track “Sole Sunday,” along with a remix of “B.O.B.” featuring Zack De La Rocha.

The EPs have been released in conjunction with the deluxe version of Stankonia, which features six bonus tracks.