If you're like most people, you probably don't give a second look when you encounter a street musician.

Perhaps you'd drop a buck or two in their hat or guitar case, at most.

But trust us, you'd stop to watch these guys.

Watch as one guy is sitting out front of a store jamming on his acoustic guitar.

He sounds pretty damn good on his own, but sounds even better when another passer-by stops to lend his vocals to the effort. That's already impressive, but then along comes a third guy to add to the performance!

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