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Oldest artist to score a US no.1 dance hit

Oldest artist to score a US no.1 dance hit
Who
Yoko Ono
Where
United States
When
12 March 2011
Ono, aka Yoko Ono (Japan), widow of the late Beatle John Lennon, made chart history on 12 March 2011 when “Move On Fast' became the 78-year-old’s eight charttopper and sixth successive No.1 on the US Hot Dance Club Songs chart.