I haven't tried your orchestra, but from your previous question, its my belief that zak references start from 0 not 1. See the zacl use here, http://www.csounds.com/manual/html/zacl.html You're right that its not mentioned at http://www.csounds.com/manual/html/ZakTop.html ------------------------------------------------------------------------------ SF.Net email is Sponsored by MIX09, March 18-20, 2009 in Las Vegas, Nevada. The future of the web can't happen without you. Join us at MIX09 to help pave the way to the Next Web now. Learn more and register at http://ad.doubleclick.net/clk;208669438;13503038;i?http://2009.visitmix.com/ _______________________________________________ Csound-devel mailing list Csound-devel@lists.sourceforge.net