The Secrets of Theatre Organ Registration by Walter Strony, 1991, privately published by him. Contains an excellent dictionary of theatre organ stops, sample registrations, sample piston settings (his personal standards), suggestions for rebuilding theatre organs, and registrations for the Allen MDS series. Order this book from Walter Strony Organ Concerts, P.O. Box 3532, Carefree, Arizona 85377. (602) 488-5028 or (602) 488-5029 FAX. Walt also has a nice website at http://pages.prodigy.net/strony/ John To unsubscribe or change mail delivery (digest, vacation) go to our website at www.frogmusic.com Coming soon: The Next Frog Music Release for the PR-300...watch here for more details