Lets make a TOP 10, put ypur favorita 10 song from all time animes.
Mine are:
10. Ashita E No Melodii (To Tomorrow's Melody) - CCS
9. Blurry Eyes - DNA2
8. Duvet - Lain
7. Omokage - Shaman King / Zig-Zag - You're Under Arrest
6. Canta Per Me - Noir
5. Escaflowne Opening
4. Himegoto - Vandread
3. Opening Saolor Moon Stars
2. Haruka Kanata - Naruto
1. Wind - Naruto
The are more, but this are remarkable, so , whic is your list?