Susanna Eronen is a singer and voice teacher living in Helsinki. Eronen made her debut as a jazz singer in 2001, performing with band the Beatles tribute band NO9 around Finland's jazz festivals. Eronen sings in various jazz ensembles, cover bands both on lead and backing vocals.
Eronen performs also with the folk-gospel band Mustarastas and her jazz band Z league. Z League released their debut album To Monica in 2017.