When someone's nostalgia for an old movie, item, show ect overcomes them and they refuse to like the any new type of that something in favor of the old one
A song or group of songs that induce the feeling of nostalgia without it actually being nostalgia or making you think about past experiences
Some examples are:
-'Hysteria' by Def Leppard
-'Into the Great Wide Open' by Tom Petty & The Heartbreakers
-'Face in The Crowd' by Tom Petty & The Heartbreakers
When bands get forgotten about and become obsolete, so they get back together for "one more tour"... maybe release an album that doesn't hold up.
You'll buy the album and you'll go to the concert... that's when you realize it isn't ever going to be the way you remember.
I had to face the nostalgic desperation of Jane's Addiction getting back together, releasing an album, doing a tour and still not being as great as they used to be.