I don't exactly hate these songs, in fact I love them all, but they do get stuck in my head:
The Chocobo themes
Victory Fanfare
FFVII-Gold Saucer Theme
FFVII-One-Winged Angel
FFVIDancing Mad(especially tiers 2 and 4)
FFVI-The Decisive Battle
FFIX-Vamo allo Flamenco
FFIX-Not Alone
FFVIII-Julia
FFVIII-Waltz for the Moon
FFVIII-Eyes on Me
FFVIII-Shuffle or Boogie
FFI-Battle
FFII-Battle Theme 1
FFIII-Battle 1
FFIV-Battle 1
FFV-Battle 1
FFVI-Battle
FFVII-Let the Battles Begin!
FFVIII-Don't be Afraid
FFIX-Battle 1
FFX-Battle Theme
FFV-Battle on the Big Bridge
FFIV-Golbez, Clad in Dark
FFXIII-Blinded by Light
FFXIII-Archylte Steppe
FFXIII-The Sunlenth Waterscape
FFVIII-Man with the Machine Gun
FFIV-Battle with the Four Fiends
FFVI-Terra's Theme
FFVI-Celes's Theme
FFVII-Aerith's Theme
FFX-Yuna's Theme