Brass Ensemble,Brass Quintet Baritone Horn TC,Cornet,Euphonium,Flugelhorn,Trombone,Trumpet,Tuba - Level 3 - Digital Download SKU: A0.1500767 By Keith Terrett. By Said Hachim Sidi Abderemane and Kamildine Abdallah. Arranged by Keith Terrett. Instructional,Multicultural,Patriotic,Standards,Traditional,World. 12 pages. Keith Terrett #1076846. Published by Keith Terrett (A0.1500767). Udzima wa ya Masiwa (also written Ouzima wa Massiwa, Comorian for The Union of the Great Islands; also known as Umodja wa Massiwa, sometimes written Masiwa) is the national anthem of the Comoros. Adopted in 1978, it was written by Said Hachim Sidi Abderemane, who also composed the music with Kamildine Abdallah.Mayotte (claimed by the Comoros but under French administration) is also mentioned in the song.