Having made a name for himself outside Morocco, El Kasri performs regularly with foreign musicians.[1] Several of these occasions have been at the Gnaoua World Music Festival. In 2004, he played at the festival with Joe Zawinul, later performing there with Karim Ziad in 2010, and Hamayun Kahn and Shahin Shahida in 2011.[2] In 2018, El Kasri opened the Gnaoua World Music Festival with Snarky Puppy, a Brooklyn-based jazz jam band.[4]