This is a cantata for two equal voices, solo baritone and instruments. There are two versions; one is for choirs, soloists, piano, ondes Martenot or oboe, and percussion. The other version is intended for choirs, soloists, oboes, clarinets, 2 horns, 2 trumpets, ondes Martenot, string instruments and percussion.
This spiritual sequence inspired many composers like Roger Calmel.
