The Indianapolis Children's Choir is proud to offer three music theory books by Ruth E. Dwyer, Associate Director and Director of Education. These volumes are perfect for the individual music and classroom teacher. Click below to get more details and link to the order page. Copyright for these books is given for the individual music and classroom teacher to reproduce the activity sheets. Reproduction of these materials for an entire school, corporation or more than one community choir is strictly forbidden. Preparatory Curriculum $65.00 Recorder Fun $35.00 Harmony in Sequence $65.00