Some music is released this way: https://en.m.wikipedia.org/wiki/List_of_musical...

		hunter2_ on Oct 11, 2020 \| parent \| context \| favorite \| on: Open Source Tools and Data for Music Source Separa... Some music is released this way: https://en.m.wikipedia.org/wiki/List_of_musical_works_releas... Obviously this is nowhere near a comprehensive list. That said, it's definitely rare.