I can’t really guarantee it’s my absolute fave, but this might be it.

edit: see what you’ve done? I can’t decide

edit2: don’t know if it could be called a song, but if we’re talking music in general probably https://www.youtube.com/watch?v=UZzYxGZ7Hmc

uncomfortably numb by american football. also my most played song ever despite having a lastfm account before american football even released lp2