Live recording of the piano recital for the eightieth birthday of composer Hans Otte that Philipp Vandr� and Elmar Schrammel presented at the Akademie Schloss Solitude in Stuttgart. A selection of John Cage's "Sonatas and Interludes" for prepared piano was interwoven with selections from Hans Otte's piano cycles "Das Buch der Kl�nge" (The book of sounds) and "Stundenbuch" (Book of hours). This concert experiment, conceived by Ingo Ahmels, paid quiet homage to the "beautiful piano sound" also found in twentieth-century music, within which Occidental (Otte) and Oriental (Cage) worlds of thought find their way to contrasting commonalities.