Official Biography (courtesy of AC Black)
AC Black formed in the late 90's and signed to Motown Records identical twins Alvin and Calvin Waters, Doug Grigsby and Doug Knight was one of the last self-contained R&B groups, along with Mint Condition and Tony! Tony! Tony! They went on to work with Micheal Jackson, Robbie Williams, Back Street Boys, Ne-Yo, Sean Piddy Combs, Teena Marie, Peabo Bryson etc. Now they are back with a real sound of pure Soul for the new single entitled Crazy Blue.