Always used to love these. Ocean made some great ones
The SID chip in my opinion was great and hard to match.
I spent an hour listening to commodore tunes on YouTube thanks to this link. :)
Indeed the commodore64 had a whole array of great musicians that where involved in creating great tunes for the little 8bit machine. Ocean loading music is a prime example of solid SID tunes that are utterly enjoyable.
The music often was so good that even despite some games, only offering mediocre gameplay, still sold well because of the music despite of the gameplay LOL.