Rapper and longtime OutKast associate Sleepy Brown will release his debut album, "Mr. Brown," Sept. 26 via OutKast member Big Boi's Purple Ribbon imprint through Virgin.

Rapper and longtime OutKast associate Sleepy Brown will release his debut album, "Mr. Brown," Sept. 26 via OutKast member Big Boi's Purple Ribbon imprint through Virgin. First single "Margarita" features both Big Boi and Pharrell and was produced by the Neptunes.

A video for "Margarita" will be shot in mid-June in Spain and will feature Big Boi and Pharrell. Also confirmed is a July 13 taping for "CD:USA" and an MTV2 special on the making of the "Margarita" clip.

Brown had worked with OutKast for several years before his breakthrough appearance on the 2003 No. 1 single "The Way You Move." He has also guested on projects by Cee Lo, Jay-Z, Joi, Earth, Wind & Fire and Ludacris, among others.