Porn groove (or porno groove) is a term used to describe the music soundtrack to pornographic films, or a genre of music that imitates such music. The electric guitar with wah-wah pedal is the most common instrument associated with porn groove, and synonymous with the genre. Simple, often minimalistic-sounding drums, with the rim knock sound being commonly associated with porn groove. In some movies such as the popular and influential Deep Throat, the film is cut with the music in mind, making the 'thrust' in the scenes 'flow' with the music.[1]
In the ID3 genre notation for MP3 music files, "Porn Groove" is a predefined option.