Willem Pijper (8 September 1894 – 18 March 1947) was a Dutch composer, music critic and music teacher. Pijperis considered to be among the most important Dutch composers of the first half of the 20th century. Symphony No.1 "Pan" (1917) 1. Allegro (Allegretto) burlesco 2. Lento e ritenuto 3. Giocoso (Quasi tempo di menuetto un poco vivace) 4. Andante maestoso-Tempo di marcia Rotterdam Philharmoni..