The Donkey Kong Country OSTs. especially DKC2 and DKC tropical freeze. Very atmospheric and contemplative music, that somehow works very well as a sonic backdrop for the simian shenanigans unfolding on-screen. David Wise is a genius. Some favourites:
Encanto : Urbandawn (Forza Horizon 5 main menu song), This song is just a vibe, ngl I used to not load the game and just listen to it on repeat. Sadly, neither Urbandawn nor playground Games released it in the official soundtrack or as a one-off track, so this is what we got