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Kaleo (stylized as KALEO) is an Icelandic blues rock band which formed in Mosfellsbær in 2012. It consists of lead vocalist and guitarist JJ, drummer David Antonsson, bassist Daniel Kristjansson, lead guitarist Rubin Pollock and harmonicist Þorleifur Gaukur Davíðsson. They have released three studio albums, Kaleo (2013), A/B (2016) and Surface Sounds (2021) as well as an EP, Glasshouse (2013). A/B has sold over one million albums worldwide. One of the singles from A/B, "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. Kaleo received a Grammy nomination in 2017 for Best Rock Performance for the song "No Good".

Surface Sounds, their third studio album, was released on 23 April 2021.