With their 2007 debut, †, Xavier de Rosnay and Gaspard Auge snuck into the hotel lounges and discotheques of the glam hipsterati under the cover of dance music. But on their kitschy and entertaining second album, Justice reveal their true colors: They're progrock geeks. Audio, Video, Disco preserves the ginormo beats and synth bass of Justice's club jams while adding Seventies-style arena rock: power chords, extravagant solos. Songs like "Civilization" (with vocals by Brit singer Ali Love), bank on portentous "concept-album" lyrics: "Stand aside as they bow to the call of the beast." Think Tales from Topographic Dance Floors.

Listen to "Audio, Video, Disco":

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“1999”

“I don’t consider myself a great poet,” Prince told Rolling Stone. “I just know I’m here to say what’s on my mind.” In the case of the apocalyptic party anthem “1999,” he was worried about then-president Ronald Reagan’s foreign policies. The song’s melody is based on a riff borrowed from the Mamas and Papas’ “Monday, Monday,” and Prince originally envisioned the first verse with three-part harmony but later split the vocals between himself and members of the Revolution. Because Warner Bros., with whom Prince was locked in a contractual battle, owned the original’s masters, Prince rerecorded the song and appropriately released that version in 1999.