Pyotr Il'yich Tchaikovsky (1840-1893), Sweet Dreams, Op. 39, No. 21, from "The Cloister Album for Voluntaries, book 3'', played on Sonarte organ with Hauptwerk 1870, Cavaillé-Coll, Oloron-Sainte-Marie, Cathédrale Sainte-Marie, France, Organist: Herman Pals