These variations are based on the choral “Freu dich sehr, o meine Seele”. Variation I, Maestoso, presents a solemn, canonic statement of the theme enveloped by dense, closely-knit harmonies. Variation II, Allegro, is clothed in polyphonic lines reminiscent of Bach’s “Orgelbüchlein” chorales. Variation III, Vivace, is a playful bicinium with the cantus firmus featured in the soprano line, as the bass bounces along in a staccato duet. Variation IV, Adagio, displays rich chromatic harmonies which f...