Can’t compose music? Use a music generator then!
Creating sound effects is not that hard (trust me), music is a little bit harder though.
Music must be composed, since it has strict criterias and complex structures.
Fortunately, we are living in the 21st century, when algorithms can do lotsa things, including MUSIC!
If you need help at composing music for LD29, then use Abudant Music, the procedural music composer!