Karawansera (Karavanserai) performs the song 'Ya Mariam al Bikrat' at the 2018 Yiddish Waves festival, with a bowed bass intro.
Americana with Niels Koopmans, 2016.
Gregor's klezmer composition A Freylakhe Pastukhl, performed by Shtetl Band Amsterdam with Christian Dawid in 2011.
Klezmer concert suite, performed by Shtetl Band Amsterdam in 2009.
TV-performance on De Wereld Draait Door, with Mazzeltov in 2008.
Bass lines and percussion on the bassetto, accompanying two singers, 2006.
Rare performance where Gregor played the hand drum in a Spehardic song, 2006.
Amari Szi Amari, performed by Csokolom in 1999 in Monterey, California.