Great Bundle for beginners wanting to learn how to read music. Recommended by teachers and students around the world. Includes Rhythm Cat HD and Rhythm Cat 2 for learning how to read rhythms as well as Treble Cat HD and Bass Cat HD for learning to read notes in the Treble and Bass Clef. A fun series of apps presented in a game-like format with levels that get progressively more challenging. Developed in collaboration with professional musicians and educators. See Melodycats.com for more details.