Many Happy Returns to composer Friedrich Cerha, 96 today. Film of Andrés Orozco-Estrada conducting the Frankfurt Radio Symphony Orchestra in Cerha’s Tagebuch; February 7, 2014; Alte Oper, Frankfurt. Also Cerha’s Percussion Concerto played by Martin Grubinger with the Vienna Philharmonic conducted by Peter Eötvös [audio of unspecified recording.]
You can also sample the first couple of minutes of Cerha’s Impulse, premiered on April 13, 1996, by the Vienna Philharmonic and Previn:
https://www.universaledition.com/friedrich-cerha-130/works/impulse-2858