This may be kinda old but still very useful if you’re into this kinda stuff. Which I’m not.
Anyway, purely for example purpose, if your favourite artist is “My Stupid Band”, you can try this queries in Google;
2007-05-13intitle:index.of + “mp3” + “My Stupid Band” -htm -html -php -asp
intitle:index.of + mp3 + “My Stupid Band” -html -htm -php -asp -txt -pls
“index of” + “mp3” + “My Stupid Band” -html -htm -php
“index of” + mp3 + “My Stupid Band”
“index of” + inurl:mp3 + “My Stupid Band” -txt -pls
“index of” + intitle:mp3 + “My Stupid Band”
“last modified” + inurl:shn + “My Stupid Band”
“parent of” + inurl:wma + “My Stupid Band”