"There's a big festival in town - and Cassie's favorite singer, Jacey Day, is coming to perform. Cassie and Alex can't wait to see her sing her hit song! But Jacey's backup singers are sick. Without them, the performance could be ruined-- . Cassie needs to come up with a plan! Maybe her newest charm can help. Can she use it to make Jacey's performance sparkle?"--P. [4] of cover.