I have a lot of emotional/memory attachments to certain music - it ties in with a lot of specific events in life. Listening to those 'same old stuff' albums/songs can take me back to places when I want to reminisce. I can get some of the same feelings, even smells and tastes sometimes, with the 'same old stuff'.
Not all of those are 'old' like decades ago - I've got some stuff that I started digging in to just a few years ago which is now in my 'heavy rotation'.