Katamar sold a cookbook for the SY77 which was called "SY77 Cheaters Guide and Cookbook". The one for the SY99 got discontinued already long ago, it is therefore no longer available. However, here is the address (good luck): 

Katamar

718 Ruth Drive

Newbury Park

CA 91320 

(805)375-7388

Katamar@aol.com 

	Future Music (FM) is an English Music Magazine that comes with a CD
	Keyboards (german) discussed the Yamaha SY99 Music Synthesizer in a past issue:
	Keys (german) featured a ,Keys Essentials - SY99 Workshop' in the following issues: Erste Schritte (First Steps) Klanganalyse (Voice analysis) Hüllkurven (Envelopes) Issue 05/95, p.94 Filter Issue 06/95, p.94 Multimode Konzerteinsatz (use on stage)
	Workshop (german)