[Kotohono]

Originally Posted by LeaD36

http://vocaroo.com/i/s0nK7OH6VoEh
i'm looking for the music, composer, anything basically.
Or do i just have to wait until they release the Campione! OST?

According to MAL, Katou Tatsuya is the person doing the music for the series, thus he is most likely the composer for that piece, for any other details like name or such would be hard to know til the OST is out .