He’s a “prophet,” Mary J. Blige has said of her frequent collaborator, Nas. “He’s always been the person with the message.” Nas and Blige have been complementing each other’s work, both as partners and as admirers, for decades. (“Love is All We Need,” a hit track from Blige’s 1997 album, Share My World, is an ode to collaboration.) A 22-date tour makes 22 opportunities to take in the socially-conscious perspective of two of hip-hop’s musical masters. —C.J.F.

For a complete tour schedule, click here.