Watch Video: 'Ma Rainey's Black Bottom' Trailer: Viola Davis and Chadwick Boseman Sing the BluesMa’s band, who arrives at the studio well before she does, has its own internal struggles: veterans Toledo (Turman) and bandleader Cutler (Domingo) are there to follow Ma’s lead and to give her what she wants, no questions asked, while brash and talented horn player Levee (Boseman) tries to sprinkle jazz riffs into existing songs while arranging new versions of other ones over Ma’s objections.