In Parallel
with Danny Cavanagh
(2009)
De Beer Die Geen Beer Was
with Martijn Bosman
(2011)
The Sirens
with Liv Kristine e Kari Rueslåtten
(2014)
free songs available
The Gentle Storm
with Arjen Lucassen
(2015)
Verloren Verleden
with Árstíðir
(2016)
