Abstract
This lesson plan discusses the use of the whole-tone scale in Tosca. In the opening bars of the opera, incomplete whole-tone and chromatic elements combine in a leitmotif that is juxtaposed with an ensuing diatonic passage. When the leitmotif returns, its whole-tone scale is completed and integrated into a diatonic context. The notion of simultaneous scales – chromatic foreground, whole-tone middleground, and diatonic background – is offered as a way to describe the integration of these three scalar types. Use of these passages as an introduction to integer notation and equal divisions of the octave is also suggested.
Published Version
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