Career
Some of her most famous songs include "Suklaasydän", "Sävel rakkauden" and "Mamma, tuo mies minua tuijottaa", a Finnish version of "Ma! (He"s Making Eyes at Maine)", all from the 1950s. During her career, Koivunen sold 100,000 certified records, placing her among the top 50 best-selling female soloists in Finland. During the late 1990s, Koivunen still performed in trio with Pirkko Mannola and Vieno Kekkonen.
She retired in 2005 and was replaced by Marjatta Leppänen.
Koivunen-Einiö died on 12 April 2014 from natural causes at the age of 82.