Bass Drum Doubles 2 - Workout 8 Lessons Bass Drum Doubles 2 Introduction Preview Level 1: 50 - 70 bpm Start Level 2: 60 - 80 bpm Start Level 3: 70 - 90 bpm Start Level 4: 80 - 100 bpm Start Level 5: 90 - 110 bpm Start Level 6: 100 - 120 bpm Start Level 7: 110 - 130 bpm Start
