Snyder talk April 13 Randall Snyder, professor of composition in the UNL School of Music, will give a DMA colloquium talk, "American Zeitgeist: Spontaneity in the work of Jackson Pollock, Charlie Parker and Jack Kerouac," at 2:30 p.m. April 13 in 114 Westbrook Music Building. The lecture is free and open to the public.