Sibling band Echosmith broke through in 2013 on the strength of their debut single, “Cool Kids,” a global hit that went Top 20 in the US. • Singer Sydney Sierota and brothers Noah (bass, vocals), Graham (drums), and James (guitar, vocals) started making music together when they were kids, playing farmers markets and other local gigs around their native Los Angeles. Their father and manager, Jeffrey David, is a record producer who has worked with Zedd and Goo Goo Dolls. • Echosmith released their first album, Talking Dreams, in 2013. The 12-track LP climbed to No. 38 on the Billboard 200 albums chart. • In 2015, Echosmith performed “Cool Kids” with Taylor Swift on two different dates of the superstar’s 1989 World Tour. • James Sierota left the band in 2016 to spend more time with his wife and baby, turning the band from a quartet into a trio. • Echosmith released their second album, Lonely Generation, in 2020.