Prior to "Stele", Op. 33 (written for the Berlin Philharmonic and Claudio Abbado), his compositions consist mainly of vocal solo and choral music as well as instrumental music, ranging from solo pieces to works for chamber ensembles of increasing size. Since "Stele", a number of large scale compositions have been premiered, such as "Messages" Op. 34 and "New Messages" Op. 34a for orchestra and the double concerto "…concertante…" Op. 42. Kurtág's first opera, "Fin de partie", based on Samuel Beckett's "Endgame", was premiered at La Scala on 15 November 2018, eight years after the original commission.