Who is Sherry?

She is named as the singer for "Adesso e Fortuna" and "Kaze no Fantasia" the OP and ED for "Record of Lodoss War" OVA.

But I could find is nothing on the web on the "Sherry" stage name. No videos of performances, no discography, not even a picture of her ...

What's her real name? Some think it's Izumi Kato, but ...