Kaleo is an Icelandic blues/rock band that formed at Mosfellsbær in 2012. It consists of lead vocalist and guitarist JJ Julius Son (Jökull Júlíusson), drummer David Antonsson, bassist Daniel Kristjansson, and lead guitarist Rubin Pollock. They have released two studio albums, Kaleo (2013) and A/B (2016), as well as an EP, Glasshouse (2013). A/B has sold over 800,000 albums worldwide. One of the singles from A/B, "Way Down We Go", has been sold over 500,000 times in the US and reached #1 on the Billboard Alternative Chart on 20 August 2016.
The group has made multiple appearances on late night television shows including Conan, Jimmy Kimmel Live!, and Late Night with Seth Meyers. Their songs have been heard on many other television shows including Orange is the New Black, Blindspot, Suits, Vinyl, Grey’s Anatomy, Empire, The Leftovers, Frequency, Supergirl, Lucifer (TV series), "Longmire", The Vampire Diaries, and Frontier. "Way Down We Go" was featured in a no7 Skincare ad in the UK and in the second trailer for the film Logan.