Title: West side story Leonard Bernstein Titles   Act I 1. Prologue 2. Jet song 3. Something's coming 4. Blues 5. Promenade 6. Mambo 7. Maria 8. Balcony scene 9. America 10. Cool 11. One Hand, One Heart 12. Tonight 13. The rumble Act II 14. I feel pretty 15. Ballet sequence 16. Transition to Scherzo 17. Scherzo 18. somewhere 19. Procession and nightmare 20. Gee Officer krupke 21. A boy like that 22. Taunting scene 23. Finale