So I was listening to FF music on youtube the other day and I came across some amazing stuff that I've never heard from FFVI before. Theres even a FFVI version of the Troian Beauty song! Heres the links to each of the tracks:

Town 2 (Unreleased)
YouTube - FFVI Special Tracks - Town 2

Town 3 (Unreleased)
YouTube - FFVI Special Tracks - Town 3

Awaiting Premonition (not really FFVIish but its included in the soundtrack for some reason)
YouTube - FFVI Special Tracks - Approaching Premonition

Troia (FFVI arrangement)
YouTube - FFVI Special Tracks - Troian Beauty (Remake)

Another mix of Techno De Chocobo
YouTube - FFVI Special Tracks - Techno de Chocobo (Another Mix)