Best quality I could find v2
https://soundcloud.com/thegameexplorer/shin-megami-tensei-iii-nocturne-normal-battle-medley-v2

Shin Megami Tensei III: Nocturne - Normal Battle Medley

Persona 2- Innocent Sin - Knights Of The Holy Spear

As the old title said, also plays in the Amala Network in Nocturne.

Megami Ibunroku Persona OST:
Composed by Hidehito Aoki

I do not own any rights to this song. all rights to the original composers and Atlus