I believe this is a case of the grass is greener on the other side. It applies to music, movies even food. People look back at the highest quality pieces of an

I believe this is a case of the grass is greener on the other side. It applies to music, movies even food. People look back at the highest quality pieces of an older age and say "look how awesome work was done back then compared to now". The reason though is that we compare an average sample of our currently available experiences to the top ones from the past. Bad music was released back then too, we just no longer listen to it.