Katharina Weber plays in various groups, classical, improvisatory and mixed forms, and also with artists from different disciplines.

Classical: with Marlyse Capt, violin

Classical and improvisation: with Erika Radermacher, piano

Improvisation: with Barry Guy and Balts Nill, double basse and percussion

                       with Christian Kobi, saxophone

                       with Jürg Solothurnmann, saxophone

Improvisation to reading by Franz Dodel

Improvisation and dance: with Pia Maria