Boom Boom the Bass Drum is a series of music / story / coloring books that teaches music to kids, early learners. This book, Boomwhacker Ensemble teaches various quarter and eighth note beats/rhythms. This are very easy, but great educational activities. I'm Michael Welch, author/musician and creator of the Boom Boom series. Thanks for looking and buying. My other Boom Boom books include (1) Instruments of the Orchestra / coloring book (2) Music and...