She is the younger sister of singer Monica Aspelund.

Born in Vaasa, Ami Aspelund released her first single in 1973 called "Apinamies", which is a Finnish version of Jungle Jim's "Big Fat Orang Uman".

Aspelund participated in the Rostock Festival in 1981, and in the Eurovision Song Contest 1983 with the song "Fantasiaa" ("Fantasy", music by Kari Kuusamo and lyrics by Kaisu Liuhala) finishing in 11th place with 41 points.

[1] In 1985, she entered the Knokke Song Contest [nl].

Her debut album was published in 1974 and she has published many albums, sung both in Finnish and in her native language Swedish.