Sontraud Speidel
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National Airs with Variations, Op. 105, No. 3 Air autrichien (A Schüsserl und a Reindl): Variation 6 Johannes Hustedt, Sontraud Speidel, Ludwig van Beethoven
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National Airs with Variations, Op. 105, No. 3 Air autrichien (A Schüsserl und a Reindl): I. Theme Johannes Hustedt, Sontraud Speidel, Ludwig van Beethoven
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National Airs with Variations, Op. 107, No. 3 Air de la petite Russie: Adagio Sostenuto Johannes Hustedt, Sontraud Speidel, Ludwig van Beethoven
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National Airs with Variations, Op. 107, No. 7 Air russe (Schöne Minka): Variation 5 Johannes Hustedt, Sontraud Speidel, Ludwig van Beethoven
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National Airs with Variations, Op. 107, No. 4 Air écossais (The Pulse of an Irishman Ever Beats Quicker): Variation 3 Johannes Hustedt, Sontraud Speidel, Ludwig van Beethoven