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In page Yana (singer):

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Her singing career started when Bertie Green, the owner of the plush Astor Club in London, heard her (aged 19) singing at a private party in the club, her friends having dared her to get up and sing;[2] Green booked her as a cabaret artiste.[3] She also sang, from 1954, at the expensive Pigalle restaurant in Piccadilly.[citation needed]