As leader and co-leader

Hellmüller Risso Zanoli, Norsten, Unit, 2014
Hellmüller Sisera Renold, Roots, Doublemoon Records, 2014
Hellmüller Risso Papaux, Waiting for You, Unit, 2012
BHS organ Trio, Go!, Mons records, 2011
Spelterini, Un fratino al mar, Brambus, 2010
Hellmüller Sisera Renold, 9 views of a landscape, Neuklang, 2009
Hellmüller’s 4, L’envol, Meta records, 2008
Hellmüller Sisera Renold, Somewhere in may, Altrisuoni, 2007
H2S2, Dance in town, Meta records, 2008
Hellmüller Sisera, Home, Altrisuoni, 2006

As sideman

Radar Suzuki
Lars Lindvall Bigband
Kapelle Kessler, Unit, 2013
Jochen Baldes‘ Subnoder, here, Doublemoon Records, 2013
Aye, Bloody Beauty, Unit, 2012
Galeone5, Laikan, Unit, 2010
Radar Suzuki, Lahar, Unit, 2010
Peter Zihlmann’s, tow, Unit, 2010
The Science Fair, Under water, 2010
Martin Streule Jazzorchestra, Fire, Unit, 2008
Zihlmann Hellmüller, Homeland, Brambus, 2008
Zihlmann Hellmüller, Twilight conversation, Altrisuoni, 2006
Christoph Baumann Large Ensamble, Kein Schöner Land, 2008
Oden ben-Horin, Welcome to Science Fair, Altrisuoni
Knecht, Echt, Liverpool Records, 2005
Skylar, Under Blue Stars, 1998
Nevertheless, Till the cow come home, 2000
Nevertheless, Here and Now
Nevertheless, Dance in the Air