Besides his own project like Hübsch's Longrun Development of the Universe,  Drift and Hübsch's Primordial Soup he founded the ENSEMBLE X and co-leads the Multiple Joy[ce] Orchestra together with Matthias Schubert and Frank Gratkowski.
Hübsch is part of many collective projects and ensembles and works as side man in various projects. Carl Ludwig Hübsch performed with musicians like Arthur Blythe, Michiel Braam, Thomasz Stanko, Paul Lytton, Lester Bowie, Jasper vant Hof, Paul Lovens, Ernst Reijseger, Angelika Sheridan, Peter Keller, Thomas Lehn, Martin Theurer, Gunda Gottschalk, Axel Dörner, Ute Völker, Gino Robair, Philip Zoubek, Le Quan Ninh, Michel Doneda, Scott Fields, Michael Vorfeld, Uwe Oberg, Ulrich Phillipp, Franz Hautzinger, Sebastian Gramss, Nils Wogram, Frank Köllges, Udo Moll a.m.o. throughout the planet.

He participated in numerous projects like e.g.
• The F-Orkestra
• Oktoberorchestra Amsterdam 1994
• Humannoise Congress
• Hannes Zerbe / Willem Breuker Blech Band 1995
• Matthias Schubert Sextett 1997
• Kammeroper "Idyllen" von Thomas Beimel 1999
• Matthias Schubert Quartett 2002
• European Tuba Quartett from 2000
• Markus Eichenbergers Domino Orchestra 2003
• Toyteens `lil Rosies (Klare, Buhrs, de Jode, Hübsch)
Post No Bills ab 1995
• Adam Noidlts Missiles
Carl Ludwig Hübsch/Harald Kimmig Duo
• Adam Noidlts Missiles
• Thomas Heberers LipL from 2007
Achim Krämer Georg Wissel Carl Ludwig Hübsch
• Franz Hautzingers Trompetenorchester 2008
Bik Bent Braam / Braam Hybrid Tentett
• Ensemble [H]iatus from 2008

some festival appearances:
Umbrella Jazz Festival, Ann Arbor Jazz Festival, Bloody Monday Festival New York, Doek Festival Bimhuis Amsterdam, Just Music Festival Wiesbaden, Berlin Jazzwerkstatt Festival, Real Time Music Meeting Hamburg, Chili Jazz Festival Österreich, Kania Jazz Festival Serbien Humanoise Congress Wiesbaden, Just Music Festival, Little Bangs Basel, Eurojazz Festival Le Mans

fellowships or study travels lead Hübsch troughout the continents, e.g.
to India in 1997 for studies with Ramamani (Karnataka College of Percussion)
or to Namibia in the year 2000, to the USA ( OMI-Arts Stipendium 2002)  • but also to closer places like Essen (Jazzpott Award 2003 ) or to Basel (2008 / 2009 Residency of the Stiftung Bartels Fondation) Huebsch's work is documented in numerous radio and CD productions.

Carl Ludwig Hübsch composed music for many theatre productions, mostly directed by Beat Fäh. In 2013 he composed the music for the Einsiedler Welttheater involving more than 100 amateur musicians.
"noch einmal" rehearsals in Einsiedeln, complete film by roger fähndrich
"noch einmal" short version, by roger fähndrich

Hübsch is part of the inclusive / collaborative projet "Die Lust am Scheitern" (the delight of failure) together with the theatre HORA in Zurich and four musicians from Germany (Gramss, Weinheimer, Schmidt, Hübsch).

Since more than 10 years Carl Ludwig Hübschs organises a little concert series in Cologne, called "platform of undocumentable events", partially in colaboration with the NRW organisor network Soundtrips NRW - look inside.