This large collection consists of thirty-two clarinet quartets, playable on four B-flat clarinets, or four of any of the same type of clarinet. They may also be played on three B-flat clarinets, with the fourth clarinet part played on bass clarinet. This collection includes classical music from medieval to modern, as well as folk music. It is presented roughly in the order of difficulty, from fairly easy quartets to intermediate-level pieces. This collection includes score and all parts for each arrangement.