Michel Runtz has performed in China, France, Italy, Morocco, Poland, Russia and Switzerland. His compositions are increasingly featured in international competitions and on the programs of renowned performers such as Irina Kataeva, Fanny Clamagirand, Vanya Cohen, Jay Gottlieb, William Chen, Simone Keller, Boris Baraz…
In Paris, for 100 performances at the Théâtre de la Gaîté-Montparnasse, Michel Runtz plays the works of Erik Satie in Choses vues, with and without glasses, accompanied by actors Jean-Paul Farré and Bernard Dhéran.
Notes and Light, a concert by Michel Runtz based on a new concept incorporating a lighting design, is presented in Switzerland (Düdingen) and as part of the Murten Classics 2009 Festival, as well as in China (Shanghai and Shenyang).
In 2009, Michel Runtz scored Isabelle Dufour’s film Et au milieu coule la Sarine (Fribourg).
As part of the France-Russia Year, Michel Runtz is composing all the compulsory pieces for the 2010 Nizhny Novgorod Concertino Ensemble Piano Competition. These are pieces for piano(s) for 4, 6 and 8 hands.
Between 2013 and 2016, several masterclasses and concerts took place around Michel Runtz’s chamber music and piano pieces at the conservatories of Geneva, Strasbourg and Rueil-Malmaison.