Excellent article. Thanks for posting it.
EggsAckley, Master of Arts, Beethoven’s Five ‘Cello Sonatas,
San Jose State University
But it's the scherzo that is a step ahead of the competition. He uses that ostinato B-A figure throughout the scherzo proper and the trio as a unifying motif, anticipating John Williams' "Jaws" motif with a different time signature. It's the most radical thing Beethoven had written up to that point.