An interesting project including guitarist Jason Vieaux. The below quote from the YouTube source explains more:
Al-Bustan Arab Music Concert Series features classical guitarist Jason Vieaux in a concert “Revisiting Hybridity: (Western) Harmony and (Arab) Heterophony” with Al-Bustan Takht Ensemble: Music Director Hanna Khoury on violin, Kinan Idnawi on oud, Kinan Abou-afach on cello, and Hafez Kotain on percussion. Novermber 2, 2013 at Trinity Center for Urban Life, Philadelphia. Video editing by Yohsuke Araki. Sound by Joe Hannigan, Weston Sound. This program was supported by The Pew Center for Arts & Heritage. More about Al-Bustan: http://albustanseeds.org/
Magnificent!