2024 on march 23: Very last concert in the old crematorium at the Friedental cemetery in Lucerne.
2022 «Palindrome» with compositions of Margrit Schenker, Ursula Maehr, Barbara Zimmerli, Valentin Vecellio, Thomas K.J. Mejer. First Performances at St. Gallen, Zürich, Bern, Schaffhausen, Frauenfeld.
2019 „EndWend – WendEnd“ by Valentin Vecellio (Komposition) and Manfred Züfle (Text) with „trioZ“, Margrit Schenker, Irina Schönen. First Performances at Luzern, Zürich, Schaffhausen, Frauenfeld and Ascona
2017 „Jeux Circulaires“ by Leo Bachmann at the «Katholische Kirche» Affoltern am Albis
2017 „Run, Freeze, Dance“. Tour in Switzerland and Ukraine (Kviv, Odessa, Lviv).
2017 KONTRA-Druckmittel with the Jazzgroup DRUCKMITTEL and the Kontra-Trio. Five days of first Performances at „Festsaal der Maskenliebhaber Gesellschaft der Stadt Luzern»
2016 KONTRA-Trio with „Orchester Emmen“: First performance of „Lamento di Papa Marcello“ for String Orchestra and KONTRA-Trio by Madeleine Bischof with extracts of „Missa Papae Marcelli“ by Pierluigi da Palestrina (1525-1594)
2016 at the festival «Poznanska Wiosna Muzyczna“ Musical Spring, Poznan (Pol) with „Run, Freeze, Dance“ First performances of compositions by Karmela Tsepkolenko (UA), Julia Rüffert (DE), Rafal Zapala (PO).
2015 KONTRA ⇄ Valentin Vecellio. First performances of „Jagen“ by Valentin Vecellio.
2015 «Himmlische Tinkturen» by Madeleine Bischof at the «Stadtkirche Winterthur». New staging with 49 flute players from Winterthur.
2014 KONTRA ⇄ Hans-Peter Pfammatter. First performances of «A Contrario (2013)» by Hans-Peter Pfammatter
2013 „Stravinskij Revisited“. Tour with Moscow Contemporary Music Ensemble MCME. First performances of compositions by Thomas K. J. Mejer (CH), Vladimir Gorlinskij (RU), Katharina Rosenberger (CH), Vladimir Rannev (RU), Roland Moser (CH). Concerts in Moscow, Perm, St. Petersburg, Zürich, Luzern, Boswil, Basel.
2013 «Appenzell Aktuell!» In cooperation with «Familienformation Bischof-Willi». «Original Appenzeller Streichmusikstücke» in organic connection with improvisations of the KONTRA-Trio. Idea and concept by Madeleine Bischof
2012 KONTRA ⇄ Moritz Müllenbach. First performances of „Infra“ by Moritz Müllenbach.
2011 at the festival „Two Days And Two Nights Of New Music“ Odessa (UA) with „Flutter, Chatter, Puff“
2010 release of the CD „Jeux Circulaires“ (see Discography).
2009 „Himmlische Tinkturen“ by Madeleine Bischof. A roomcomposition for 49 flutes and the KONTRA-Trio. First performance 09.05.09 in context of „transit09“ at the Jesuitenkirche Luzern/Lucerne.
2009 „Jeux Circulaires“ by Leo Bachmann. Concert installation for the KONTRA-Trio and 8 loudspeaker. First performances 09.06.–11.06.09 in context of „transit09“ at the Bourbaki Panorama Lucerne.
2007 at the festival „Neue Musik in Delmenhorst“. With „Ilomba“ by H.-J. Hespos (DE) and other compositions.
2007 release of the CD „Vulnerable Spaces“ (see Discography).
2005 at the „Fest der Innenhöfe“ in Freiburg im Breisgau (DE)
2004 release of the CD „Phill Niblock“ (see Discograpy).
2004 tour with the „Tri o`Trang“ (NO) in Switzerland (Olten, Amden, Luzern, Malters).
2004 IGNM Zürich: One night with music by Alvin Lucier and Phill Niblock
2004 „Panorama“ by Leo Bachmann. Concert installation for the KONTRA-Trio and 9 loudspeakers. First performances in Baden, Luzern, Zürich
2003 at the festival «Saxophonia» in Riga (LAT). Following tour in Latvia
2002 release of the CD „Frank Denyer“ (see Discography).
2002 „Moments Musicaux“ Aarau with „Klangausstellung“ and „Held Tones“
2001 at the festival „soundways“ in St. Petersburg. Swiss compositions by Alfred Zimmerlin, Urban Mäder, Thomas K.J. Mejer. Followed by a tour in Russia. (with Marc Unternährer/tuba).
2001 Tour in England (Dartington, Bristol, London) with the program «Resonances».
2001 „Different Drones“: Tour in Bali (Indonesia) (with Bobby Burri/contrabass instead of tuba)
2000 „Different Drones“ at the «100. Schweizerisches Tonkünstlerfest» in Engadin (CH)
2000 „Different Drones“ at the New Music Festival «Music factory» in Bergen (NO)
2000 „Different Drones“ at the festival „trance and drones“ (Minimalism former and today) Freiburg i. Br. (DE)
1999 release of the CD „diligent places“ (see Discography).
1999 „Höllische Konturen“ by Thomas K.J. Mejer. Tour in Switzerland.
1998 first performance of „Wanzen-Serenade“ by Thomas K.J. Mejer „Schweizerisches Tonkünstlerfest“ Geneva.
1997 „to be held for a long time“ at „1. Fest der Künste“ at „Tim Buktu“ in Luzern/Lucerne
1996 release of the CD „Compositions for Contrabass-Saxophone“ (see Discography).
1992 first activities as the „KONTRA-Trio“ by Madeleine Bischof, contrabass-flute; Thomas K.J. Mejer, contrabass-saxophon; Leo Bachmann, tuba