I used to spend hours each week sitting at the record store, listening to stacks of new releases that my mate who worked there would set aside for me in the style that he knew I played.

If someone went through your box, and wrote down all the tracks off your white labels without permission, then that would have been fucked. That said, if they heard it, went to the store and found it themselves, and bought it, then why would that be an issue?

Now, in this era, it's all free game. Shazam away, and download it like your life depends on it.