To mark the 25th anniversary of record label So So Def, Jermaine Dupri is putting together a tour. Rolling Stone reports Dupri has recruited DaBrat, Anthony Hamilton, Xscape and more.The 11-city trek, launching October 14th in D.C., will wrap on November 2nd in L.A. Dupri founded the hip-hop/R&B label in 1993 in Atlanta, GA.