Over the years, many other works by contemporary composers such as Valentyn Sylvestrov, Tigran Mansurian, Erkki-Sven Tüür, Heinz Holliger, Giya Kancheli, György Kurtág, or Heiner Goebbels as well as the soundtracks of several works by the filmmaker Jean-Luc Godard have been issued on the ECM New Series label.
In 2002 and 2004 ECM released a series of compilation CDs titled :rarum.