I know, this is an old post. But, since i have heard a few performances of the piece this past year i thought perhaps i would try and help out anyway. Just in case....
from LeDuc web site:
Composer Amy Quate works in a wide variety of musical styles, forms, and media. Her career encompasses commissioned compositions, musical performing, computer music, computer graphics, audio and video technical work, and multi-media production. She has published both literary and musical compositions. For the Tenth World Saxophone Congress (September 1992, Pesaro, Italy), Professor Debra Richtmeyer, Vice President of the North American Saxophone Association, commissioned Ace of Swords, a work for alto saxophone, percussion and piano. Her instrumental compositions include an alto saxophone sonata commissioned for the Seventh World Saxophone Congress, Light of Sothis (1982, Leduc), Laguna Madre (1988, Leduc) for soprano saxophone, and several tuba solos published by CCP/Belwin. In 1984, Amy Quate received the Grand Prize of the American Chamber Music Composition Competition for her soprano saxophone and clarinet suite, Talking Pictures, a piece commissioned for the grand opening of the Dallas Museum of Art. Quate’s university degrees are a Bachelor of Arts from Sarah Lawrence College (Bronxville, New York), and a Master of Music in Composition from the University of North Texas (formerly North Texas State University). iv/2004