Grön was born at the island of Reposaari in Pori but has lived the last 30 years mainly in Palm Beach, Florida.

[1] Grön made his first recording in 1958 and he is one of the most iconic persons in the Finnish popular music scene.

Grön is best known as a tango singer but his styles vary from Finnish schlager to jazz and spiritual music, such as traditional Christmas songs.

[2] He has made recordings with many other artists like Argentine tango musicians and Finnish jazz clarinet player Antti Sarpila.

In 2001 Grön received the Pro Finlandia Medal of the Order of the Lion of Finland.