Categories Articles Ma Rainey Is Best Known as a Pioneer of the Blues. But She Broke More Than Musical Barriers Post author By crystalg Post date December 18, 2020 TIME Tags Barriers, Best, Blues, broke, Known, More, musical, pioneer, Rainey, Than ← Need a vacation? The average American has gone 14 months without traveling due to COVID → A Facebook bug exposed Instagram users’ personal email addresses and birthdays