Ross Gorman improvised the music that begins this work as a gag, but the composer liked it enough to keep it.  
Ross Gorman improvised the music that begins this work as a gag, but the composer liked it enough to keep it.  Commissioned by Paul Whiteman for a concert called "An Experiment in Modern Music," it opens with the aforementioned glissando for clarinet that many classical soloists have trouble performing.   There are two orchestrations by Ferde Grofe, a later one for a full orchestra and an original for a jazz band.  FTP, name this work that melds jazz and classical styles, a popular piano concerto by George Gershwin.
Ross Gorman improvised the music that begins this work as a gag, but the composer liked it enough to keep it.  
Rhapsody in Blue