There's literally no year that isn't a rabbit hole of very interesting hits, progressions where one thing is going out of fashion while another thing gains attention as it moves from edge to center, marginalia, you name it when it comes to music.
I suppose there are examples of like late '92 when grunge blew up beyond reasonable proportions where one could point to a specific time range and place for a sea change like Nirvana and fellow indy rockers triggering Glam Rock/Hair Metal's decline. But those kinds of events are less frequent or at least less consequential and that probably has to do with the average josephine liking a wide range of musical genres, which was very much not the case until maybe the mid to late 90s.
Seriously, folks' musical tastes were monosyllabic af
Shouts to giving Franky Valli his props. One of my favorites of his songs is a disco groover called "Who Loves You".
Interestingly there was a bit of a resurgence in 50's style and culture during the mid '70s, probably due to the movie Grease's and lead Travolta's success