If it's generated on one's machine, maybe that person should hold copyright? Maybe that doesn't make a lot of sense, but neither would it make sense for the pr

If it's generated on one's machine, maybe that person should hold copyright? Maybe that doesn't make a lot of sense, but neither would it make sense for the programmer of the music generation software to hold copyright over a song they never heard of and which might have been generated using data from the PC owner's machine. I'm also curious how copyright works here.