33, sometimes also stylised in Greek capitals as ΣΤΉΛΗ (stēlē), is a composition for orchestra by Hungarian composer György Kurtág.
The composition was first conceived as a work for piano in 1993, which was dedicated to András Mihály.
Kurtág completed the orchestral score as a commission of the Berlin Philharmonic in 1994, while he was the composer-in-residence for the orchestra.
[3] Stele is in three movements and takes up to thirteen minutes to perform.
The movements are: The final version of the score also includes a 2006 addition to the ending of the score which changes the last bar of the last movement and adds four more bars, extending the last notes played by the instruments.