Unopened set of 8 lectures on 8 CDs Professor Robert Greenberg, the Music Historian-in-Residence with San Francisco Performances, is the composer of more than 45 works for a variety of instrumental and vocal ensembles. A former instructor with the San Francisco Conservatory of Music, Professor Greenberg is an authority on a range of composers and classical music genres. His masterful compositions have won three Nicola de Lorenzo Composition Prizes and a Koussevitzky commission from the Library of Congress.