Since dropping his controversial Untitled, which was initially to be titled Nigger, Nas has been making his rounds as a guest on a handful of tracks. However, one, in particular, has yet to be heard, and may be one everyone can't wait to hear.

The Queensbridge rapper recent revealed to Billboard.com that one track he's recorded is slated to end up on Dr. Dre's highly-anticipated Detox album.

"I did a joint. I think it's crazy," Nas says of working with Dre. "He's someone I'd love to do a whole album with one day. He's incredible. I think he's the best producer of all time."

Nas didn't divulge any further info on the track. It seems everyone will just have to wait to hear it.

Dre's Detox is slated for release sometime this year, as a part of what 50 Cent has been calling the "three headed monster," referring to releases from himself, Em, and Dre.