Heavy Young Heathens are American film, film trailer, and television composers, consisting of brothers Aron and Robert Mardo. They are known for their work composing and performing music for television series including Big Sky, Eastbound & Down, The Simpsons, The Righteous Gemstones, and Dead to Me. They have also composed music for films such as Halloween, Don Verdean, Rules Don't Apply, Yoga Hosers, and Masterminds. Heavy Young Heathens co-composed and perform "Being Evil Has a Price", the main theme to the popular Netflix series Lucifer. Most recently, Heavy Young Heathens composed and perform the original song "Psalm 28.7" for the first episode of The Righteous Gemstones second season. In the scene, Eric Andre and Jessica Lowe are seen performing the song in front of their Texas Megachurch congregation as Lyle and Lindy Lissons.
Heavy Young Heathens released their self-titled debut on September 1, 2009. It hit the FMQB Top 5 on the album chart, and the single "Sha La La La La" charted at No. 16 on FMQB.
Their second EP, Make Room For The Youth, was released April 2010, debuting Top 5 on the FMQB Specialty Radio Charts and Top 20 on the Mediaguide Radio Charts.
During the 2022 winter Olympics, U.S. skating pair Alexa Knierim and Brandon Frazier used the duo's cover of "House of the Rising Sun" in their performance. The musicians sued both athletes and NBC, the broadcaster, for alleged unauthorized use. The case was settled the following July and caused the ISU to begin development of systems to aid skaters in navigating copyright law.
The song "Sha La La La La" is featured in the 2011 video game ', in music station 89.0 Generation X's track list.