CREA is one of her dog's names.
Some of CREA's songs are:
I am...
evolution
Naturally
NEVER EVER
Daybreak (with DAI)
M
Dearest (with DAI)
no more words (with DAI)
Endless sorrow
Free & Easy (with DAI)
Heartplace
Over
HANABI (with DAI)
July 1st (with DAI)
Dolls
Voyage (with DAI)
Close to you (with DAI)
Independent (with DAI)
HANABI ~episode II~ (with DAI)
theme of a-nation 03 (with DAI)
forgiveness (with DAI)
I BELIEVE that's all of them. Someone correct me if I'm wrong.