"Born Lucerne, 1952; saxophones, composer.

Urs Leimgruber has been active for many years in the areas of contemporary improvisation, composition, jazz and new music. One of his earliest associations was as a member of the electric jazz/free music group 'Om' with Christy Doran, Fredy Studer and Bobby Burri, and he later formed the 'Reflexionen' quartet with Don Friedman and Bobby Burri in New York. More recently, his own projects have included 'Ensemble Bleu', 'Xylem', e_a.sonata 02 with the ARTE saxophone quartet, as well as a long association with Fritz Hauser: as a duo with the ongoing Music for saxophone and percussion; in the Leimgruber/Roidinger/Hauser trio; a trio with Joëlle Léandre; and a trio with Marilyn Crispell. He later formed the 'quartet noir' with Marilyn Crispell, Joëlle Léandre and Fritz Hauser, a trio with Jacques Demierre and Barre Phillips and the group SIX with Jacques Demierre, Isabelle Duthoit, Charlotte Hug, Dorothea Schürch and Thomas Lehn. Urs Leimgruber has also performed extensively as a solo artist and has been involved in mixed media presentations, providing music for dance, radio plays and film.

Urs Leimgruber has undertaken concert tours in Western and Eastern Europe, USA, Canada, South America and Japan, and appeared at concerts and on recordings with such musicians as Steve Lacy, Fred Frith, Evan Parker, Joe McPhee, Lauren Newton, Michel Doneda, Keith Rowe, Günter Christmann, Sunny Murray and Günter Müller among many others."

"Marilyn Crispell is a graduate of the New England Conservatory of Music where she studied classical piano and composition, and has been a resident of Woodstock, New York since 1977 when she came to study and teach at the Creative Music Studio. She discovered jazz through the music of John Coltrane, Cecil Taylor and other contemporary jazz players and composers. For ten years she was a member of the Anthony Braxton Quartet and the Reggie Workman Ensemble and has been a member of the Barry Guy New Orchestra and guest with his London Jazz Composers Orchestra, as well as a member of the Henry Grimes Trio, Quartet Noir (with Urs Leimgruber, Fritz Hauser and Joelle Leandre), and Anders Jormin's Bortom Quintet. In 2005 she performed and recorded with the NOW Orchestra in Vancouver, Canada and in 2006 she was co-director of the Vancouver Creative Music Institute and a faculty member at the Banff Centre International Workshop in Jazz. In 2014 she led a three-week music residency at the Atlantic Center For the Arts, New Smyrna Beach, Florida, and in 2016 led a one-week residency at the Conservatory Manuel de Falla in Buenos Aires.

Besides working as a soloist and leader of her own groups, Crispell has performed and recorded extensively with well-known players on the American and international jazz scene. She's also performed and recorded music by contemporary composers Robert Cogan, Pozzi Escot, John Cage, Pauline Oliveros, Manfred Niehaus and Anthony Davis (including four performances of his opera "X" with the New York City Opera).

In addition to playing, she has taught improvisation workshops and given lecture/demonstrations at universities and art centers in the U.S., Europe, Canada, Australia and New Zealand, and has collaborated with videographers, filmmakers, dancers and poets.

Crispell has been the recipient of three New York Foundation for the Arts fellowship grants (1988-1989, 1994-1995 and 2006-2007), a Mary Flagler Cary Charitable Trust composition commission (1988-1989), and a Guggenheim Fellowship (2005-2006). In 1996 she was given an Outstanding Alumni Award by the New England Conservatory, and in 2004, was cited as being one of their 100 most outstanding alumni of the past 100 years."

"Joëlle Léandre is a famous French Bassist and is known for her collaborations with other musicians in the field of improvised music. Born in France on September 12th, 1951, she made her music debut in 1984 with Les Douze Sons. Her childhood was filled with music, and she was particularly interested in the piano during her early years. In her later years, she developed an interest in double bass, which won her many honors and scholarships during her education. Her double bass teacher Pierre Delescluse encouraged her to apply to the Conservatoire National Superieur de Musique de Paris, where she was formally trained and noticed for her talent in the bass. Her outstanding musicianship took her to the United States and to the Centre for Creative and Performing Arts in Buffalo through a scholarship. In the United States, she expanded her network and met some of the best composers, such as John Cage, Giacinto Scelsi, and Morton Feldman. Among them, John Cage greatly influenced her music and compositions. Her time in the United States also enabled her to experience downtown New York music, which was another significant influence that led to her continued involvement in the field of improvised music.

Some of her notable collaborations in the field of contemporary music are with Pierre Boulez, Merce Cunningham, John Cage, and Giacinto Scelsi. Among them, John Cage and Giacinto Scelsi were the biggest influences in her life and music. In an interview, Joëlle Léandre said that John Cage was her spiritual father and changed her perception of sound and music. In another interview, she tells how Giacinto Scelsi allowed her to discover her own music and how his music transported her into a new world of improved consciousness. In the field of jazz music, she collaborated with Derek Bailey, William Parker, and Sebi Tramontana. Her music was owned and distributed by different music labels, including FMP, Leo, RougueArt, and Red Toucan. Some memorable songs and albums she released throughout the years include Instant Replay, Les Douze sons, Trios, Sweet Zee, Frerebet, Joelle et Tetsu, Philippe Fenelon, Voyages, etc. Some of the recent releases include Can You Hear Me and Unleashed. She has also performed live at the Tampere Jazz Festival twice, where popular international artists compete with each other.

Joëlle Léandre is also the member of European Women's Improvising Group (EWIG). The group evolved from the Feminist Improvising Group, and Joëlle Léandre joined the group in 1983. In the early 1900s, she co-founded Les Diaboliques with Irene Schweizer and Maggie Nicols, who were her long-time musician friends. Besides that, she also teaches several classes in prestigious universities about contemporary and improvised music. She has lived in France, Germany, and U.S during her lifetime, teaching at academic institutions in the religions and playing concerts. In 2002, she was invited to Canada as a visiting professor for music and composition."

"Fritz Hauser , born 1953 in Basel / Switzerland develops solo programs for drums and percussion, he brings the world to the performance. Compositions for percussion ensembles and soloists, chamber orchestra, choir. Sound installations (including Therme Vals , Architecture Museum Basel , Castel Burio Italy, Kunsthaus train , Fondation van Gogh in Arles, University of Zurich, radio plays, music for films and readings. Interdisciplinary Working with the lighting designer Brigitte Dubach, director Barbara Frey, the architect Boa Baumannand the choreographer Kinsun Chan, Joachim Schloemer, Heddy Maalem and Anna Huber. In the field of percussion playing and working with percussion soloists and ensembles around the world: Kroumata , Steven Schick , Keiko Abe , Synergy Percussion , Michael Askill , Speak Percussion , Bob Becker , Nexus, EnsembleXII , we spoke . Numerous CDs as a soloist and with various ensembles. Fritz Hauser's cultural award in 2012 the city of Basel and culture prize winner Music Basel-Country in 1996. In the summer of 2018 was Hauser "composer-in-residence" at the Lucerne Festival in 2018."