[twobitshifter]

What if a person heard a song by hearing it on the radio and went on to record their own version?

[mkr-hn]

There is already a legal structure in place for cover song licensing.

https://en.wikipedia.org/wiki/Cover_version#United_States_co...

[twobitshifter]

Exactly so it needs licensing of some sort - this is closer to cover tunes than it is to someone getting a CS degree and being asked to credit Knuth for all their future work.