L-R: Mashrou' Leila's Hamed Sinno, classical music star Yo-Yo Ma and rapper Narcy collaborate on powerful new song 'Ha’oud (I Will Return)'. Getty Images / Reuters / EPA
L-R: Mashrou' Leila's Hamed Sinno, classical music star Yo-Yo Ma and rapper Narcy collaborate on powerful new song 'Ha’oud (I Will Return)'. Getty Images / Reuters / EPA

Lebanon’s Mashrou’ Leila and Iraqi rapper Narcy star in 'unprecedented' new Yo-Yo Ma song