 It drew scholars and performers from throughout the Arabic-speaking world (including Muhammad Fathi, Ali Al-Darwish, Kamil Al-Khulai, Mahmud Hefni, Tawfiq Al-Sabbagh, Rauf Yekta Bey, Mohammed Gnanem, Mohammed Ben Hassan, Mohammed Cherif, and Mesut Cemil) as well as European scholars, composers and musicologists such as Henry George Farmer, Rodolphe d'Erlanger, Béla Bartók, Paul Hindemith, Alexis Chottin (the head of the National Conservatory for Arab Music in Rabat), Father M. Collangettes, and Robert Lachmann.Nations sending delegations of musicians included Algeria, Egypt, Iraq, Morocco, Syria, Tunisia and Turkey.The Congress' sections focused on the past, present and future of Arabic music, and believing such music to be in decline, it made recommendations for its revitalization and preservation.