Assuming the original masters are preserved. Plenty of stuff does get lost, discarded, and occasionally the warehouse burns down: https://www.nytimes.com/2019/0

Assuming the original masters are preserved. Plenty of stuff does get lost, discarded, and occasionally the warehouse burns down: https://www.nytimes.com/2019/06/11/us/master-recordings-universal-fire.html https://www.nytimes.com/2019/06/11/us/master-recordings-univ... The digital copies often is all there is.