Members contribute to the group with occasional prompting. Members participate in needed changes, with occasional prompting. Presentation contains the required information. Presentation is clear. Members contribute to the group only when prompted.
Members participate in needed changes when prompted and encouraged.
Presentation contains little information and is difficult to follow. You have looked at composers, instruments, and non-musical happenings that contributed to modern society as we know it. What you have seen is the history and evolution of modern music and how it affects our lives.