This release is a recording of two works by French composer Olivier Messiaen, composed in 1943 and 1969. Both pieces exemplify Messiaen's sacred-musical language, featuring modal and non-functional harmonic techniques, intricate rhythmic structures and vivid orchestral colour; the earlier work presents a compact liturgical texture with choir and electronic timbres interwoven, while the later is a large-scale orchestral meditation reflecting his mature theological concerns and expanded instrumental palette.