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Study for Cello and Humming
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Humming Suite, Études for Cello and Humming: Humming Suite I - Étude for one cello and one voice
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Humming Suite, Études for Cello and Humming: Humming Suite II - Fragment i
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Humming Suite, Études for Cello and Humming: Humming Suite III - Harmonics étude for one cello and one voice
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Humming Suite, Études for Cello and Humming: Humming Suite IV - Fragment ii
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Humming Suite, Études for Cello and Humming: Humming Suite V - Étude for multiphonics and humming, one cello, one voice, and one shadow voice
