Complex sentence: Matsson also performs as part of the Swedish band "Amason" with Gustav Ejstes, Pontus Winnberg, Nils Törnqvist and Petter Winnberg.
Split into simpler sentences: Matsson also performs as part of the Swedish band "Amason". She is a member of a band called Amason together with Gustav Ejstes, Pontus Winnberg, Nils Törnqvist and Petter Winnberg.