Helen Leahey, the aptly named ‘Bass Queen’, sang from a D5 to a D2 note at an incredibly deep 72.5 hertz(es) in her attempt at the Music School Wagner in Koblenz, Germany. – Guinness World Records
Helen Leahey, the aptly named ‘Bass Queen’, sang from a D5 to a D2 note at an incredibly deep 72.5 hertz(es) in her attempt at the Music School Wagner in Koblenz, Germany. – Guinness World Records