Treasury of delightful solo vocal quartets: Liebeslieder, Op. 52, 18 songs for vocal quartet (soprano, alto, tenor and bass) and piano four hands; Neue Liebeslieder, Op. 65, 14 songs and a closing piece for the same ensemble; and Zigeunerlieder, Op. 103, 11 songs for vocal quartet and piano (one player). Breitkopf & Härtel edition.