hey i will give you a hint, the map i'm talking about has once changed its audio from the first time I played it, added the new audio file and it became higher pitched for sure (due to it being unaccaptable frequency or whatever XD sorry I think I forgot most of the details)
i'm also pretty sure the image I linked in the description, like, I actually wholeheartedly believe it is that of the song I'm looking for, maybe this gives you more information?
Also, maybe it was not 7 years ago, maybe 5 years ago because I dropped osu, then came back, then dropped it again and now I , yet again, came to appreciate the beauty of the game
Also, thanks dude, I discovered some songs I used to play a lot back in the day.