Use instrument.update() to gliss pitch
* Kludgey! Don't use this, use jsyn2 example! @see jmslexamples.jsyn2.PitchGliss
This is a little unusual because JMSL by default uses the pitch dimension to retrieve allocated
voices when ins.update() is called.
PlayModShape.java
Shows how to play JSyn with JMSL without using support classs like
SynthNoteAllPortsInstrument and without using standard dimension name spaces
This applet starts two Shapes in parallel.