Its second single, "Way Down We Go", was certified double platinum in the US and reached number one on the Billboard Alternative Songs chart on 20 August 2016.

[4] Best friends since attending elementary school outside of Reykjavik, band leader JJ, drummer David Antonsson, and bassist Daniel Kristjansson began playing together at the age of 17 before adding guitarist Rubin Pollock to the mix in 2012.

Their self-titled debut went gold in their home country, spawning five number-one hits and inspiring their first European tour.

[21] The third single "Alter Ego" was also released on 13 March, with JJ describing it as "the most classic rock and roll song".

[28] In an interview with Rolling Stone, frontman JJ explained, "Growing up I was listening to a lot of American music and blues artists and such and that was what kind of connected us.

[32] Lead singer JJ has given influences such as Jimi Hendrix, Carlos Santana and Jim Morrison,[31] while critics liken their music to that of Hozier, Ray LaMontagne,[28] Led Zeppelin, Cream and ZZ Top.

[33] The group has made multiple appearances on late night television shows including Conan,[34] Jimmy Kimmel Live!

[37] Their single "Way Down We Go" has been featured in many TV shows including Blindspot, The Blacklist, Lucifer, Supergirl, Grey's Anatomy, The Vampire Diaries, Riverdale, Training Day, Suits, Teen Wolf, The Night Shift, This Is Us and Underground, as well as trailers/promos for The Good Fight, Quantico, Orange Is the New Black, Empire, The Leftovers and Logan, among others.

Several Kaleo songs including "Way Down We Go", "Hot Blood", "No Good", "All the Pretty Girls" and "Glass House" have been featured in FIFA 16,[39] Madden NFL 17,[40] NHL 18,[41] Far Cry 5,[42] The Crew 2,[43] Rocksmith 2014[44] and Asphalt 9: Legends.