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Katri Helena
Katri Helena in 2007
Background information
Birth name	Katri Helena Koistinen
Born	(1945-08-17) 17 August 1945 (age 79) Tohmajärvi, Finland
Occupation	Singer
Instrument	Vocals
Years active	1963–present

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