Ivo Perelman, Nate Wooley, Matt Moran, Mark Helias, Tom Rainey
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Ivo Perelman, Mark Helias, Tom Rainey
Mark Helias
Jane Ira Bloom, Mark Helias, Bobby Previte
Jane Ira Bloom, Mark Helias
Matthew Shipp, Mark Helias
Gordon Grdina, Mark Helias, Matthew Shipp
Mark Helias, Tim Berne
Don Cherry, Edward Blackwell, Mark Helias, Carlos Ward, Naná Vasconcelos
Dewey Redman, Mark Helias
François Houle, Gordon Grdina, Mark Helias, Gerry Hemingway
Rob Burke, Tony Malaby, Mark Helias
Rob Burke, George Lewis, Paul Grabowsky, Mark Helias
David Ades, Tony Malaby, Mark Helias, Gerald Cleaver
Benoît Delbecq and Fred Hersch Double Trio, Steve Argüelles, Jean-Jacques Avenel, Mark Helias, Gerry Hemingway
Gordon Grdina, Mark Helias, Kenton Loewen, Tony Malaby
Sophia Domancich, Mark Helias, Andrew Cyrille
Terry McManus, Mark Helias, Gerry Hemingway
