Tetiana Hryhorivna Liberman (born 25 January 1985), better known by her stage name Tina Karol, is a Ukrainian singer and founder of the Tina Karol charitable foundation. Tina Karol won more than 25 Grand Prix and first prizes at various international music competitions and festivals. Her voice range is more than 4 octaves (from the F of the small octave to the Fis of the fifth octave). Karol is the mentor on The Voice of Ukraine (2013, 2015–2021) and also a star coach on The Voice. Kids (2012...

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