Music Box Soundfont -

[Intro] (Soft piano soundfont) G - G7 - C - C7

[Melody variation] (Music box melody soundfont) E - D - C - B A - G - F# - E G - F# - E - D C - B - A - G

[Melody] (Music box melody soundfont) G - A - B - C D - E - F# - G A - G - F# - E D - C - B - A

[Mid-section] (Tinkling percussion soundfont) Ding-ding-ding, da-da-da-dum (Soft piano soundfont) G - G7 - C - C7

Here's a piece I came up with, inspired by the idea of a music box soundfont: