This is a selection of original music from Platform Builder which you can use in your games, and is required for the Ultimate Platformer Engine.
This pack, Pack 1 of 2, includes four soundtracks for happy/adventurous music, and four soundtracks for mellow/casual music. All of the music is designed to loop. However, you will need to use the provided script for mus_happy4, which uses an introduction that is not part of the looping sequence.
See also the TingThing Music Pack 2 of 2.