Tomorrow, April 26, marks the 20th anniversary of OutKast' debut album Southernplayalisticadillacmuzik, and the duo is currently on a 40 date festival tour run that started two weeks ago on the first weekend of Coachella. Over the past 20 years OutKast has been arguably the most influential duo in hip-hop history, making six albums, one compilation album and a plethora of hits. To ask someone to pick out their favorite OutKast song is a tough task in the face of all that brilliance. But XXL did just that and asked 20 rappers to name their favorite OutKast song. Click through to check what they had to say.