Narrowed to 16. I won't include music where Uematsu didn't contribute (X-2, T, etc.).

The Prelude (FFIV)
Clash on the Big Bridge (FFV)
Terra's Theme (FFVI)
Searching for Friends (FFVI)
The Decisive Battle (FFVI)
Dancing Mad (FFVI)
One Winged Angel (FFVII)
J-E-N-O-V-A (FFVII)
Aeris' Theme (FFVII)
Still More Fighting/Those Who Fight Further (FFVII)
FFVII Main Theme (FFVII)
Liberi Fatali (FFVIII)
The Extreme (FFVIII)
Dark Messenger (FFIX)
To Zanarkand (FFX)
Battle with Seymour (FFX)