Johann Nepomuk Hummel (1778-1837) - Fotografie einer Mezzotintoradierung von Franz Wrenk nach einem Gemälde von Catharina Escherich
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Ingrid Marsoner, J.N. Hummel, L.V. Beethoven, Thomas Rösner, Orchestre Symphonique Bienne - Hummel: Piano Concerto a Minor / Beethoven: Piano Concerto C Major - Amazon.com Music
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