A cheerful concert opener, with a memorable melody that your students will want to play on an endless loop! 
3 parts (Melody, Bass 1, Bass 2)
Both melody parts in the B section can be performed by one student as an extension. Try doing it one-handed!
Both Bass parts have identical rhythms
Special effect: Beater clicks
Key: G major (F#)
Note ranges:
Melody: G A B C D E F# G
Bass 2: A B C 
Bass 1: D G A
Scores
Full score (sample available)
Scores with note names
Melody
Bass 1
Bass 2
Melody (simplified - upper)
Melody (simplified - lower)
Scores without note names
Melody
Bass 1
Bass 2
Melody (simplified - upper)
Melody (simplified - lower)