Environment:      Siren
Superclass:         Siren.NumericalMagnitude
Category:         Music-Models-Implementation
Instance variables:   timeSignature

A MeasureDuration reprsents time as beats and measures.

It is partially implemented and unused.

Instance Variables:
   timeSignature    my time signature

printing

units
   Answer the units string of the receiver.

private

species
   Answer Duration.

MetaClass:         MeasureDuration class