Katharina Hack
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Schwanenlied (Arr. for cello & piano by Anouchka & Katharina Hack) Anouchka Hack, Katharina Hack
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Improvisation Anouchka Hack, Katharina Hack
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Lied Ohne Worte, Op. 62 No. 1 (Arr. for Cello & Piano by Friedrich Grützmacher) Anouchka Hack, Katharina Hack, Феликс Мендельсон
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If I Ain't Got You (Arr. For cello & piano by Wolf Kerschek) Anouchka Hack, Katharina Hack