Following is the programme of the Pop Concert at Symphony Hall tonight: 1. Overture, "Traviata," Verdi 2. Four English Dances, F. Cowen 3. Suite from Ballet, "Sylvia," Delibes 4. Overture, "Raymond," A. Thomas 5. Waltz from Opera, "Eugene Onegin," Tschaikowsky 6. Prelude to Act III, "Lohengrin," Wagner 7. Intermezzo, "Contes d'Hoffmann," Offenbach 8. Overture, "Tabasco," Chadwick 9. Overture, "Dichter und Bauer," Suppe 10. Polish Dance from Opera "Halka," Moniuszko 11. Waltz, Barcarole, Waldteufel 12. March, "Hoch Hapsburg," Kral