There is no rhythm or theory difficulty with this arrangement. Rhythm marks are put on times for example. This score will be appreciated by any choir because the part-song arrangement sets every part to a section of the melody. Jean Jourdan was born in 1936; he was a musical education teacher and taught among other subjects keyboard, theory, harmony and singing in music schools of Gard. He conducted adult, teenager and children choirs. He was an author, composer and arranger and some of his compositions won “Musique pour les Jeunes en Hainaut.”