• absolut trio, Zürich
• camerata variabile Basel

Stefka Perifanova has performed with following ensembles:

• Collegium Novum Zürich
• Kammerorchetser Basel
• Theater Basel
• Mondrian Ensemble
• Offenburger Streichtrio
• Klavier Duo Lissak-Perifanova

Stefka Perfanova is a brilliant chamber music partner. Her chamber music partners include:

Violinists

• Hansheinz Schneeberger
• Iliya Gringolts
• Raphael Oleg
• Atle Sponberg
• Gyorgy Pauk
• Gunnars Larsens
• Rosanne Philippens
  
• Bettina Boller
• Primos Novcak
• Nisiol Bartek
• Julia Schröder

Cellists

• Claudius Hermann
  
• Orfeo Mandozzi
• David Riniker
• Sol Gabetta
• Thomas Grossenbacher
• Xenia Jankovich
• Imke Frank
• Walter Grimmer
• Emil Rovner

Voice

• Lucy Shelton, Soprano
  
• Sarah Maria Sun, Soprano   http://sarahmariasun.de
• Petra Hoffmann, Soprano http://petrahoffmann-sopran.de
  
• Carl Rosman, http://www.carlrosman.com
  
• Mojca Vedernjak, Mezzosoprano
• Tatjana Gazdik, Soprano
• Sylvia Nopper, Soprano
• Stefan Vock, Bass-Bariton
• Rolf Romei, Tenor
• Detlef Roth, Bariton
• Eva Nievergelt, Sopran
• Ida Aldrian, Mezzospran

Others

• Giorgio Mandolesi, Bassoon
• Gilard Karni,Viola
• Karin Dornbusch, Clarinet
• Magdalena Lissak, Piano
• Reto Bieri, Clarinet
• Patrick Jüdt, Viola
• Silvia Simionescu, Viola
• Werner Bärtschi, Piano