Deep Groove Mono Original (Not Released In Stereo). This Private Recording Comes With The Original Glassine Inner Sleeve. The Three Pieces Are: "Concerto For Piano And Orchestra," "Sonata For Piano Solo" And "Variations On A Chromatic Line For Horn And Piano." John Donald Robb Was Professor Emeritus Of Music At The College Of Fine Arts At The University of New Mexico. He Was A Composer Of Stage, Classical And Later, Electronic Music.