I Personally believe that the best tracks in Persona 5 aren't known by the general public. I've been listening to the following: Spoiler
I know this isn't necessarily the best place, but can we stop Wizard from ever posting anything he considers to be "a pun"
Neutral Milk Hotel - Gardenhead/Leave Me Alone The gardenheaaaaad knows my naaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaame
Whilst Within Temptation's more recent albums aren't really to my taste, I am still very fond of their older songs.
Heart Signal - Hatano Wataru. Last summer when I was on vacation I listened to it so much it's nostalgic.