"Congratulations on such a superb CD! Opals is wonderfully played! It is beautiful!"
—Phillip Houghton, composer

"Among the better of the new groups must be counted the San Francisco Guitar Quartet."
"Opals...demonstrated the group's ability to interact and display a broad range of tonal colors."
"Cuban Landscape with Rain...was beautifully played."
"An interesting and varied program showed these four personable performers equal to the challenge."
—Peter Danner, San Francisco Classical Voice