Katri Helena Kalaoja (née Koistinen; born 17 August 1945) is a Finnish singer.

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Quick Facts Background information, Birth name ...

Katri Helena
Katri Helena in 2007
Background information
Birth name	Katri Helena Koistinen
Born	(1945-08-17) 17 August 1945 (age 78) Tohmajärvi, Finland
Occupation(s)	singer
Instrument(s)	Vocals
Years active	1963–present

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Katri Helena released her first songs in 1963 and has since sold over 630,000 certified records, which makes her the second-best-selling female soloist in Finland behind Madonna and places her also among the top 20 best-selling music artists in the Finnish market.^[1] She has represented Finland twice in the Eurovision Song Contest: in 1979 with her song "Katson sineen taivaan" and in 1993 with "Tule luo".^[2] She also took part in the Sopot International Song Festival in Poland in 1969, singing "Valssi".^[3]

Katri Helena has been married three times. She had two daughters and a son with her husband Timo Kalaoja, who died of a heart attack in 1988. His death affected her so much that she withdrew from public view and stopped performing and recording for four years. Her only son, Juha Kalaoja, died at age 33 on 29 April 2009.^[4]

• List of best-selling music artists in Finland