I really dug the music in CP2077 (and, especially, Phantom Liberty). The use of leitmotifs lifted the score. More so than in a similar game (GTA5), I really enjoyed the radio stations, too.
I also fondly recall the soundtrack of RDR2.
Does all the great music in Fallout4 count?
Yup.
One of the best FPS games I ever played. Marathon I and II. This was on a Mac in the early nineties, I guess.