Alot just go find one of my posts in one of the other threads if your interested.

The Synapse - Deus Ex's Hong Kong Streets level Theme

But also

Crusader: No Regret - Opening menu music

Many tracks of Duke Nukem 3D soundtrack

...now I can recall others I liked particularly, I often play turning off music, unless I like it, but also if I like it, but the game requires attention to game sounds.

Nobuo Uematsu(FF, LO)
Yasunori Mitsuda(CT, CC)
Motoi Sakuraba(SO, VP, Tales)
Yoko Shimamura(KH)

MGS theme (one from 2 and then was remade in 4)

Any song from Donkey Kong Country 1 or 2....man those soundtracks are awesome.

smg music, final fantasy ix music

Mario Galaxy

Animal Crossing


Illusion of Gaia

Dragon Quest VIII