Echosmith

Echosmith is an American indie pop group. The group consists of four siblings: Graham, Sydney, Noah and Jamie Sierota. They are best known for their songs "Cool Kids" and "Bright". Their first album, "Talking Dreams", was released in October 2013.
They also had covers of "Lights" by Ellie Goulding and "Set Fire to the Rain" by Adele.
The group is from Los Angeles.