I'm a Believer (from Shrek) by Smash Mouth. By Neil Diamond. Arranged by John Wasson. For Orchestra (Score & Parts). Pop Specials for Strings. Grade 3. Published by Hal Leonard (HL.4626226).
This classic by the Monkees was recently rerecorded into a chart hit by the pop group Smash Mouth for the movie Shrek. Guaranteed fun for the audience as well as your students.