The score for For a Few Dollars More is more complex than its predecessor, A Fistful of Dollars . It introduced specific for each character:

Ennio Morricone’s soundtrack for the 1965 film ( For a Few Dollars More ) is a defining masterpiece of the Spaghetti Western genre, marking a pivotal moment where music moved from being a background element to a core narrative character. The Music as a Character

Forced by early low budgets, Morricone innovated by using "found sounds" and non-traditional instruments, including:

Associated with a light, airy flute.

Human whistling and wordless vocalizations provided by Alessandro Alessandroni and Edda Dell'Orso.

Marked by the twang of a Jew's harp and occasional staccato piano notes.