Originally posted by @st
Holy Shit!!!
That's what I said when I first found out.
Each stage has about a dozen songs coming from its source or related games, which you can then adjust to determine how often the game picks them.
For me, the Zelda stages will have Tal Tal Heights (Zelda II), Gerudo Valley, Dragon Roost Island, the Main Theme, and the OoT Medley.
This list works, I guess.
It really is quite the impressive list. Even
Spoiler:is in there.
the battle music from Golden Sun
Oh, and spoilers in the list, obviously.