WaterTower Music has released a new version of the theme song from the CBS comedy B Positive. The track produced by Grammy Award-winning singer/songwriter Keb’ Mo’ & series producer Chuck Lorre (who co-wrote the theme for the first season) is performed by lead actress Annaleigh Ashford and will be introduced in tomorrow’s season 2 premiere episode. The song is now available to stream/download on all major digital music platforms (including Amazon). Also watch the opening titles sequence and listen to the full track after the jump. The label has previously released the Keb’ Mo’-performed version from Season 1 earlier this year. B Positive is created by Marco Pennette and also stars Thomas Middleditch, Kether Donohue, Sara Rue, Izzy G and Terrence Terrell.