MA RAINEY’S BLACK BOTTOM: 4 STARS It’s hard not to watch “Ma Rainey’s Black Bottom,” the vibrant adaptation of August Wilson’s play of the same name, now streaming on Netflix, without feeling a sense of loss. It’s Chadwick Boseman’s last performance and the life he brings to the role of ambitious trumpet player Levee acts as a poignant reminder of a career cut tragically short. Set in the roaring 1920’s Chicago, Viola Davis plays the titular character, a real-life musical trailblazer known as "Mother of the Blues." On a sweltering day in a dank basement recording studio, ...