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Echosmith Radio

Up and coming band Echosmith is burning up the charts with their debut single, "Cool Kids," and it turns out the talented siblings also have great senses of humor!

[Buy Echosmith's album Talking Dreams on iTunes]

iHeartRadio's Paul The Web Guy caught up with Jamie, Noah, Graham and Sydney Sierota (a.k.a. Echosmith) and even took them on a trip around the world that ended with an impromptu ode to Bilbo Baggins. Confused yet? Just watch!

Watch "Cool Kids" below.