Musiker / Artists  who played at the Q4!

Reeds

Eric Alexander

J. D. Allen

Harry Allen

Marshall Allen

Heiner Althaus

Gianni Basso

Stefano di Battista

Daniel Blanc

Carolyn Breuer

Arne Domnerus

James Carter

Jeff Clayton

Emanuele Cisi

Jesse Davis

Eli Degibri

Stacy Dillard

Pee Wee Ellis

Wayne Escoffery

Chico Freeman

Kenny Garrett

Herb Geller

Ernst Gerber

Rosario Giuliani

Benny Golson

Johnny Griffin

Scott Hamilton

Craig Handy

Alex Hendriksen

Vincent Herring

Sherman Irby

Javon Jackson

Plas Johnson

Grace Kelly

Lee Konitz

Domenic Landolf

Toni Lakatos

Brad Leali

Magnus Lindgren

Donny McCaslin

Tobias Meinhart

Bob Mintzer

Jürg Morgenthaler

Danny Moss

Sal Nistico

Charles Owens

Houston Person

David Regan

George Robert

Troy Roberts

Joris Roelofs

Justin Robinson

Scott Robinson

Andy Scherrer

Mario Schneeberger

Dave Schnitter

Roman Schwaller

Jaleel Shaw

Archie Shepp

Bruno Spoerri

Marcus Strickland

Mark Turner

Bennie Wallace

Bobby Watson

Ernie Watts

Steve Wilson

Rickey Woodard

Phil Woods

Miguel Zenon

Guitar

Peter Bernstein

Al Casey

Philip Catherine

Herb Ellis

Nir Felder

Jim Hershman

Dave Hotep

Jonathan Kreisberg

Russell Malone

Pat Martino

Tommy Moeckel

Paulo Morello

Randy Napoleon

Bucky Pizzarelli

John Pizzarelli

Mikkel Ploug

Adam Rafferty

Vinny Raniolo

Kurt Rosenwinkel

Sandro Schneebeli

Andreas Varady

Frank Vignola

Dan Wilson

Piano / Keyboard

Monty Alexander

Lynne Arriale

Yonathan Avishai

Kenny Barron

Martin Bejerano

Willy Bischof

Joanne Brackeen

Ray Bryant

John Bunch

Henri Chaix

Bill Charlap

Cyrus Chestnut

Freddy Cole

Al Copley

Alessandro d‘Episcopo

Kenny Drew, Jr.

Corrin Evans

Antonio Faraò

Tommy Flanagan

Larry Fuller

David Gazarov

Aaron Goldberg

Benny Green

Danny Grissett

Joe Haider

Gene Harris

Anke Helfrich

Tamir Hendelman

Klaus Ignatzek

Geoff Keezer

David Kikoski

Diana Krall

Paul Kuhn

Thierry Lang

Mike LeDonne

Gadi Lehavi

Kirk Lightsey

Jan Lundgren

Harold Mabern

Peter Madsen

Junior Mance

Brad Mehldau

Mulgrew Miller

Jason Moran

Dado Moroni

Joan Munné

Konrad Paszkudski

Andrea Pozza

Enrico Pieranunzi

Jean-Michel Pilc

Claus Raible

Iiro Rantala

Eric Reed

Renee Rosnes

Christian Sands

Christoph Stiefel

Simon Stockhausen

Ralph Sutton

Esbjörn Svensson

Hiromi Uehara

Ramón Valle

Colin Vallon

Yago Vasquez

Stewy von Wattenwil

Rachel Z (Nicolazzo)

Trombone

John Allred

Isla Eckinger

Glenn Ferries

Curtis Fuller

Al Grey

Wycliffe Gordon

Slide Hampton

Frank Lacy

Adrian Mears

Danilo Moccia

James Morrison

Mark Nightingale

Vibes

Peter Appleyard

Joe Baccara

Donald Edwards

Isla Eckinger

Michel Hausser

Joe Locke

Steve Nelson

Hazy Osterwald

Wolfgang Schlüter

Mark Sherman

Trumpet / Fluegelhorn

Nat Adderley

Joel Affolter

Franco Ambrosetti

Cohen Avishai

Benny Bailey

Terence Blanchard

Randy Brecker

Jon Faddis

Art Farmer

Paolo Fresu

Tatum Greenblatt

Dusko Goykovich

Roy Hargrove

Tom Harrell

Eddie Henderson

Ingrid Jensen

Tom Kirkpatrick

Brian Lynch

Joe Magnarelli

Irvin Mayfield

Tommy Moeckel

James Morrison

Matthieu Michel

Hazy Osterwald

Jason Palmer

Nicholas Payton

Jeremy Pelt

Gerard Presencer

Claus Reichstaller

Claudio Roditi

Jim Rotondi

Wallace Roney

Christian Scott

Lew Soloff

Clark Terry

Ray Vega

Bijon Watson

James Zollar

Bass

Adam Ben Ezra

Omer Avital

Giorgos Antoniou

Elias Bailey

Rosario Bonacorso

Tassili Bond

Ray Brown

Dwayne Burno

Ron Carter

John Clayton

Scott Colley

Laurence Cottle

Phil Donkin

Ray Drummond

Solomon Dorsey

Leon Duncan

Roman Dylag

Isla Eckinger

Martin Gjakonovski

Hans Glawischnig

Ignasi González

Dave Green

Larry Grenadier

Darryl Hall

Lindy Huppertsberg

Reggie Johnson

Heiri Känzig

Stephan Kurmann

Jesper Lundgaard

Curtis Lundy

Joe Martin

Tarus Mateen

Gary Mazzaroppi

Cecil McBee

Christian McBride

François Moutin

Ugonna Okegwo

Niels-Henning Ø. Pedersen

Matt Penman

Martin Pizzarelli

Lonnie Plaxico

Jean-Louis Rassinfosse

Rufus Reid

Reuben Rogers

Max Rolff

Hassan Shakur

Thomas Stabenow

Peter Washington

Ben Williams

Buster Williams

Martin Wind

Jimmy Woode

David Wong

Yoni Zelnik

Drums / Percussion

Carl Allen

Eric Allen

Nicola Angelucci

Charly Antolini

Pius Baschnagel

Cindy Blackman

Brian Blade

Jonathan Blake

Curtis Boyd

Jason Brown

Jimmy Cobb

Keith Copeland

Billy Drummond

Joris Dudli

Bobby Durham

Sangoma Everett

Alvester Garnett

Mario Gonzi

Darell Green

Carola Grey

Omar Hakim

Jeff Hamilton

Jake Hanna

Roy Haynes

Eric Harland

Billy Hart

Greg Hutchinson

Carmen Intorre jr.

Duffy Jackson

Oliver Jackson

Kevin Kanner

Elisabeth Keledjian

Willy Ketzer

Joachim Krause

Joe LaBarbera

Jason Marsalis

Guido May

Butch Miles

Rolando Morales-Matos

Lewis Nash

Ofri Nehemya

Ulysses Owens jr.

Clarence Penn

Ted Poor

Anthony Pinciotti

Alvin Queen

Ziv Ravitz

Bernd Reiter

Ben Riley

Herlin Riley

Mickey Roker

Jorge Rossi

Harald Rüschenbaum

Antonio Sanchez

Peter Schmidlin

Jeff Siegel

Jesse Simpson

Dejan Terzic

Nasheed Waits

Lenny White

Kenny Washington

Vocals

Titilayo Adedokun

Cyrille Aimée

Lillian Boutté

Freddy Cole

Othella Dallas

Alice Day

KJ Denhert

Roberta Gambarini

Grace Kelly

Diana Krall

Paul Kuhn

Martin Lechner

Kevin Mahogany

Ann Malcom

Jane Monheit

Barbara Morrison

John Pizzarelli

New York Voices

Sandy Patton

Vanessa Rubin

Tierney Sutton

Melissa Walker

Kenny Washington

Accordion 

Antonello Messina

Michael Zisman

Organ

Pat Bianchi

Wild Bill Davis

Barbara Dennerlein

Joey DeFrancesco

Mike LeDonne

Gerard Gibbs

Jared Gold

Jermaine Landsberger

Johnny Mercier

Rhoda Scott

Dr. Lonnie Smith

Stewy von Wattenwil