Complex sentence: He premiered an arrangement of "A Song After Sundown", by David Raksin, from the film "Too Late Blues", at the American Guild of Organists 1984 convention, in San Francisco.
Split into simpler sentences: He premiered an arrangement of "A Song After Sundown", by David Raksin, from the film "Too Late Blues". It was played at the American Guild of Organists 1984 convention, in San Francisco.