The LEVEL 4 Supplemental Answer Book (Ultimate Music Theory) is easy to use and is identical to the LEVEL 4 Supplemental Workbook. Bonus - Free Resources - Videos for all music history listening activities in the workbook. The LEVEL 4 Supplemental Workbook is designed to be completed with the Basic Rudiments Workbook. UMT Basic Rudiments Workbook plus the LEVEL 4 Supplemental = RCM Level 4. Note: Additional completion...