The study and analysis by Richard Marc Friedman o f all eight cadenzas written
by Ludwig Van Beethoven for the first four o f his piano concertos reveals information
about the nature o f the harmonic plan o f the cadenzas and the choice o f thematic material
in each section o f the cadenza. The analysis discusses consistencies o f pattern and
compositional techniques that set these cadenzas apart from the late eighteenth-century
norms, best exemplified by the cadenzas o f M ozart.