"Audio, Video, Disco" (Latin for "I hear, I see, I learn") is a song by French duo Justice. It is the title track and second single from their second studio album Audio, Video, Disco. The band stated that the album is not named after the song, instead the song is named after the album.
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"Audio, Video, Disco" is an electronic song with a '70s arena rock theme. It begins with a gothic style organ melody ending in an A major chord, bringing in a drum beat and the organ chorus line with an increase in volume. The organ chord sequence repeats itself throughout the song as E major, D major, C major, B minor, A major, with variations such as inversions throughout the song. The drum track includes a kick drum and a snare with decaying white noise. Next come multitrack harmonised vocals by Xavier de Rosnay repeating the phrase "audio, audio, audio, video, disco" in the same key as the organ. These vocals continue through the song, and a further harmonised by vocals from Gaspard Augé. The song swells up and down, repeating these elements with slight changes throughout, including a brief piano interlude and a small guitar inclusion. The song builds up to an emphasised version of the chorus with slightly altered and more distinct drums, then slowly eases out leaving a final repeat of the organ chorus and a guitar strumming a muted E note until the end of the chord sequence.