There are 96 patterns in this lesson. Depending on your skill level this lesson can take 1 hour to 2 weeks to complete. Start at 80bpm and work your way up to 110-120 or so.Most of the patterns are in 2/4 and meant to be combined with pattern one, (or any 2 beat groove pattern). This approach allows for musical sounding practice and depending on your level will cover a lot of material in a short amount of time.