Josef Ostranec, Hugo Steurer
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Grand Duo concertant in E-Flat Major, Op. 48: I. Allegro con Fuoco Hugo Steurer, Josef Ostranec, Карл Мария фон Вебер, Josef Ostranec, Hugo Steurer
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Grand Duo concertant in E-Flat Major, Op. 48: II. Andante con Moto Hugo Steurer, Josef Ostranec, Карл Мария фон Вебер, Josef Ostranec, Hugo Steurer
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Grand Duo concertant in E-Flat Major, Op. 48: III. Rondo Allegro Hugo Steurer, Josef Ostranec, Карл Мария фон Вебер, Josef Ostranec, Hugo Steurer