"For many years Lili Boulanger was represented on recording solely through an LP of religious choral works conducted by Igor Markevitch, produced under the supervision of sister Nadia…. Many acquainted with that recording were stunned by the psychological maturity, depth of feeling, and technical sophistication of the music…. Only the ambitious thirteen-song cycle Clairières dans le ciel … displays a comparable depth and individuality."—Fanfare