For me i will say that it has been naryto for the excellent use of asian kung fu generation during almost all the battles and characters introdutions.
Also Captain tsubasa for dragon screamer and our relation...
What about all of you?

Cowboy Bebop.

dot hack sign is great. so is aquarian age. and rozen maiden ...i cant forget that anime^^

i like a lot of the music in naruto too but currently my fav anime song would be from ayatsuri sakon i love the opening!! I also really liked music from bleach some of it is a little weird but thats why i love it

Bleach musik is awesome and, i also beliave that, hellsing musik pwnz!!!

Macross Plus and Akira

Gundam SEED & SEED Destiny. SEED is good, Destiny has a more Symphonic feel to it compared to SEED so, Destiny wins as #1 out of the two.

Cowboy Bebop.

Blood+.