Many pieces of music have refrains of one kind or another, but pianist Simone Dinnerstein, in a recording made at home during the COVID-19 pandemic, finds a way to explore, in a precise way, some of the functions they can serve. Her program ranges from François Couperin to Philip Glass (on whose Orange Mountain Music label the album appears), but her examples of the concept hang together nicely. Hear the delightful way Couperin's Tic Toc Choc picks up on the figure from Glass' Mad Rush. The latter work is not entirely a mad rush, and the refrain of the original material has an ominous (for Glass) feel. Elsewhere, the refrain may be a psychological memory (Satie) or a mysterious architectural feature (Couperin). In the eight movements of the centerpiece, Schumann's Kreisleriana, Op. 16, the refrains help to establish the duality that is part of the work's program. Throughout, Dinnerstein strikes the intimate tone that she is so good at, and the listener is drawn into the unique world established by her typically adventurous programming concept. Orange Mountain Music's engineers get impressive results from her Brooklyn apartment.