Post by Massimo: German singer Anna-Maria Hefele stunned the world with a viral video showcasing polyphonic overtone singing. https://t.co/vYe2bnwMCG

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Massimo

@Rainmaker1973

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Massimo

@Rainmaker1973

German singer Anna-Maria Hefele stunned the world with a viral video showcasing polyphonic overtone singing. [ 网页链接 ↗ ]

06/06/2026, 07:47