These are not studio recordings. They are live, grainy, often distorted performances filmed at the Brixton Academy and other London venues. The Internet Archive’s version restores the raw audio from the film’s Dolby Digital track, stripping away the film's controversial dialogue and leaving only the music.
Here is the context regarding this title and the Internet Archive: 9 songs internet archive
We can’t talk about the number nine without mentioning the daily grind. The Archive hosts various versions of Nine To Five (9 To 5) , celebrating the classic anthem of the modern workforce. How to Find Your Own "9" These are not studio recordings
The Internet Archive acts as a non-profit library that bypasses traditional commercial barriers. For "9 songs," it offers: 9 Songs : Office of Film and Literature Classification Here is the context regarding this title and
While "9 songs" is a specific title, the Archive's massive audio repository also includes various musical compilations: 9 Songs (2004) - Effed Up Movies