Funny thing, is just a couple weeks ago I made a list of my favorite Zelda songs. So I don't even have to think for this
(in no particular order)
Ending/Credits - A Link to the Past
Title Screen - Ocarina of Time
End Credits - Ocarina of Time
Final Hours - Majora's Mask
Astral Observatory - Majora's Mask
Song of Healing - Majora's Mask
Giants' Theme - Majora's Mask
Nayru's Theme - Oracle of Ages
Farewell Hyrule King - Wind Waker
Aryll's Theme - Wind Waker
End Credits - Wind Waker
Vaati's Theme - Minish Cap
Dark Hyrule Castle - Minish Cap
Midna's Lament - Twilight Princess
Palace of Twilight - Twilight Princess
Hyrule Castle - Twilight Princess
Ganondorf Battle - Twilight Princess
Tower of Spirits Staircase - Spirit Tracks
Saying Goodbye - Spirit Tracks
Lanayru Mining Facility - Skyward Sword
Yeah I know there's a lot, but honestly I love all of those