beckyderp !Hi.HILLARY joined in and replied with this 10 years ago, 1 hour later[^][v]#699,487
It's formally known as a "ditty."
Catherine !TGirlYJKXM (OP) replied with this 10 years ago, 21 minutes later, 1 hour after the original post[^][v]#699,490
@previous (beckyderp !Hi.HILLARY)
Even for pieces that are long? Google says a "ditty" is a short song.
adam djensen joined in and replied with this 10 years ago, 29 minutes later, 2 hours after the original post[^][v]#699,497
Not sure
FuckAlms !vX8K53rFBI joined in and replied with this 10 years ago, 2 hours later, 4 hours after the original post[^][v]#699,525
All songs are technically compositions. For your purposes though, a composition would be something which is written specifically as a bed for a scene rather than music that is adapted to fit into a scene.