"March from 'A Clockwork Orange'" (based on the choral movement of the Ninth Symphony by Beethoven) was the first recorded song featuring a vocoder for the singing; synthpop bands often cite it as their inspiration.

125 – Berliner Philharmoniker – Chor der St. Hedwigskathedrale – Ferenc Fricsay – Irmgard Seefried, Maureen Forrester, Dietrich Fischer-Dieskau, Ernst Haefliger.

The audience does not see every violent film Alex is forced to view during his Ludovico conditioning, yet the symphony's fourth movement is heard.

Although two excerpts from Nikolai Rimsky-Korsakov's Scheherazade are heard during Alex's Biblical daydreams while reading the Bible in prison, this piece does not appear on the soundtrack album, nor is it listed in the closing credits.

It contains Carlos' compositions, including those unused in the film, and the "Biblical Daydreams" and "Orange Minuet" cues excluded from the 1972 edition.

Moreover, Stanley Kubrick asked Pink Floyd bassist Roger Waters to use elements of the Atom Heart Mother suite.