These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
First and Foremost: "Long Tall Sally" was written to deliberately invoke this (it was meant to be a song that white singers wouldn't cover). While it was initially successful, it didn'tquite last.
Retroactive Recognition: At one point his band included a then unknown guitarist named Jimi Hendrix, who went on to do quite well after leaving (Richard kicked him out for refusing to wear his uniform).