The Mars Volta‘s Cedric Bixler-Zavala has criticised the use of “Unc rock” music at the end of Alien: Earth episodes.
The Disney+ series has included a different hard rock song playing during the end credits of each episode throughout its first season, including hits from Black Sabbath, Tool, Metallica, Godsmack, Queens of the Stone Age, and Pearl Jam.
However, Mars Volta singer Bixler-Zavala is apparently not a fan of those choices. In a now-deleted Instagram post, he said: “No more ‘Unc’ rock at the end of Alien: Earth episodes please. Fucking monster energy drink bullshit.”
Then, responding to a fan who asked, “Wait what’s wrong with Tool and QOTSA?,” in the comments, Bixler-Zavala answered, “Nothing at all. It just doesn’t fit on that show. It feels like Nancy Reagan pushing her DARE agenda on me but with that kinda music.”
The songs used have included Black Sabbath’s ‘The Mob Rules’, Tool’s ‘Stinkfist’, Metallica’s ‘Wherever I May Roam’, Jane’s Addiction’s ‘Ocean Size’, The Smashing Pumpkins’ ‘Cherub Rock’, Godsmack’s ‘Keep Away’, Queens of the Stone Age’s ‘Song for the Dead’, and Pearl Jam’s ‘Animal’.
Cedric Bixler-Zavala (The Mars Volta) has referred to Metallica, Tool, and Godsmack as "Unc Rock" in new social media post decrying their inclusion in FX show Alien: Earth. pic.twitter.com/l9kmZr3gLS
— State of the Scene (@SOTSPodcast) October 23, 2025
Created by Noah Hawley (Fargo), the series follows a young woman named Wendy, who becomes the first “hybrid” when she transfers her human consciousness into a synthetic body. After a space vessel crash-lands on Earth, Wendy and a group of other hybrids investigate the ship only to find themselves confronted with all manner of alien species.
Sydney Chandler plays the lead character, alongside Alex Lawther, Essie Davis, Samuel Blenkin, Babou Ceesay, Adarsh Gourav, Erana James, Lily Newmark and Jonathan Ajayi.
In a five-star review of the show, NME wrote: “So Earth combines the creeping dread of Alien, the dizzying ultra-violence of Aliens and even a splash of the silliness that made the unfairly dismissed Alien: Resurrection such a blast. Ridley Scott, who directed the original movie, co-executive-produced this show but there’s thankfully none of the ponderous nonsense that made his Prometheus and Alien: Covenant prequels a bit of a drag.”



















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