^^^^Omg, hearted you like Kalafina too?
This isn't really Kalafina related but Yuki is scheduled to compose for a new Maho Shoujo series: Puella Magi Madoka Magica
http://www.madoka-magica.com
Doesn't seem Kalafina-ish but think there's a possibility that the girls will be singing the ed/op/insert songs?