This is a comprehensive set of 20 Boom Card decks: 10 rhythm sets and 10 melody sets. The sets start with simple questions and then get progressively more challenging with each new level. The 10-card rhythm set contains rhythms in the following meters: 4/4, 3/4, 6/8, 12/8, and 2/2. Level 1 (the easiest level) starts with half notes, quarter notes, and eighth notes in 4/4 time. Each level gets progressively more difficult by adding faster rhythms, ties, new beaming, etc. Each level contains a cli