|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon UK||today||43.24||$20.36||You save $22.88|
|Amazon US||yesterday||29.29||$20.36||You save $8.93|
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Robert Greenberg is an American composer, musician, and musicologist. He has composed more than 50 works for a variety of instruments and voices, and has recorded a number of lecture series on music history and music appreciation for The Great Courses. He is the author of How to Listen to Great Music: A Guide to Its History, Culture, and Heart.