Echosmith - 'Cool Kids' live for Jimmy Fallon.

Echosmith - 'Cool Kids' live for Jimmy Fallon.

November 17, 2014 | by Shahlin Graves
Echosmith

Family-band Echosmith appeared on 'The Tonight Show with Jimmy Fallon' this week to perform their breakthrough single, 'Cool Kids'.

Watch the performance below…

P.S. Click HERE to read our latest interview with Echosmith.

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