The Music Tech Series TeacherÂ's Manual incorporates all three of the books in the series (Composing Music with Notation, Playing Keyboard and Sequencing and Music Production). A TeacherÂ's CD containing additional files not found in the Student CDs is included. The TeacherÂ's Manual provides lesson ideas (suggestions that you can reference as you teach each page of the Student Books), assessment possibilities, and extension activities (additional activities you can consider to extend the lesson).