Big Boi and Killer Mike go back. Way back. The two met in the mid-90s, while Mike was at Morehouse and Big Boi was in the early stages of changing the face of Hip-Hop, as one half of OutKast. Big Boi took Mike under his wing, eventually having him record on ‘Kast songs like “Snappin’ & Trappin'” from the 2000 album Stankonia, as well as their 2001 single “The Whole World.” The two would go on to record several songs together over the years, as guests on one another’s albums, and now, it appears they have bigger plans.

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In speaking with SPIN magazine about the impending 20th anniversary of OutKast’s ATLiens album (8/27), Big Boi revealed that he and Killer Mike are in the process of recording together, with the intent of releasing a joint EP. “Wait until you hear this new s**t.,” said Big Boi of the music they’ve been making. He continued, “Killer Mike is busy as hell. I mean, he’ll come straight from the airport and go into the studio and bust on two or three records and come back again the next day. We’re just trying to put as many ideas out there as possible.”

Big Boi also gave a rough timetable for when the recordings would be released, saying “And me and Killer Mike, we’re gonna put out a little EP after I put out my next solo record or something like that. We’ve been entertaining the idea for a long time and finally got enough songs to where we just said the other night that we’re gonna do it.”

Click here to read SPIN‘s interview with Big Boi where he speaks at length about the 20th anniversary of ATLiens.