WaterTower Music has released the main titles theme from the CBS comedy B Positive. The track, which is performed by Keb’ Mo’ and co-written by the Grammy Award-winning singer/songwriter and series producer Chuck Lorre, is now available on all major digital music services, including Amazon. Also listen to the full theme below. B Positive is created by Marco Pennette and stars Thomas Middleditch, Annaleigh Ashford, Kether Donohue, Sara Rue, Izzy G and Terrence Terrell. The series revolves around a therapist and newly divorced dad who is faced with finding a kidney donor when he runs into a rough-around-the-edges woman from his past who volunteers her own. The shows first season currently airs every Thursday night on CBS. Visit the official show website for updates.