I've seen Zac Brown Band in concert twice now and both times I've been completely blown away. Their harmonies already sound incredible on their albums but you haven't heard anything until you hear them live, I get goosebumps just talking about it (yes, I'm totally fan-girling right now).

Frequently during their shows, ZBB has some stellar jam-out sessions where they will cover and mix together other popular songs. My favorite to date is when they mashed up Stevie Wonder's "Isn't She Lovely" and John Mayer's "Neon." But, their performance of Queen's "Bohemian Rhapsody" at the iHeartRadio Festival is definitely giving it a run for its money. Check it out:

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