There's no indication if this is new music or adaptations of existing songs.
From the University of Maryland website:
(...) a production set in 1930's dustbowl america, with Prospero as magician in a traveling tent show.Rehearsals in Las Vegas are set to start in Januray 2014 and the tour - with sit-downs in Las Vegas and Boston - closes on June 29, 2014 in Washington, DC.
And the good news is you could be in the play: Backstage.com is looking for actors. So, start practising your lines and if your audition (April 11th in New York, NY) goes well, you might become a Waitsian Prospero ...