Once Upon a Time in the West is a soundtrack composed by Ennio Morricone, from the 1968 western film of the same name directed by Sergio Leone, released in 1972. The film score sold about 10 million copies worldwide. The soundtrack features leitmotifs that relate to each of the main characters of the movie (each with their own theme music), as well as to the spirit of the American West. The theme music for the Claudia Cardinale character has wordless vocals by Italian singer Edda Dell'Orso. This arrangement for clarinet quartet (Bb Clarinet 1 or Eb Clarinet, Bb Clarinet 2, Bb Clarinet 3 or Eb Alto Clarinet, Bb Bass Clarinet) includes two different keys: Eb Major and Db Major to meet all the executive possibilities of the musicians. The composition is suitable for repertoire, classroom, recital and weddings.