# Arts

Beautiful Christmas Music Flash Mob Surprises the Smithsonian (WATCH)

Starting with a single cellist, and swelling to 120 musicians, the U.S. Air Force Band surprised holiday Smithsonian visitors with its first-ever flash mob.

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Von Trapp Singers Delight With 'Sound of Music' Flash Mob on Train (WATCH)

Cast members from "The Sound of Music" surprise Australian commuters with a flash mob performance of "Do-Ri-Mi" aboard a train in Brisbane.

# Arts

(A Look Back) Watch 17th Century Rembrandt Celebrated in Raucous Dutch Flash Mob

This group of actors in Holland took shoppers by surprise when they rode in on horseback in honor of a beloved Rembrandt painting at the Rijksmuseum.

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Watch Magician Born Without Hands Beat The Odds and Fool Penn and Teller

Performing magic without hands is no small feat – but that didn't stop Mahdi from performing his tricks in front of the best magicians in the world.

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Listen to This Musician Play Beethoven on 5 Guitars at Once

Steve didn't have any particular reason as to why he challenged himself with this breath-taking cover – he only wanted to try something new.

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Stranger Joins Pastor For Heartwarming Duet On Hospital Piano (WATCH)

This sweet duo had never met each other before they both sat down – but when they start to sing, one would think they've known each other their whole lives.

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6 Reasons to Be Happy the New Pokemon App is Taking Over the Streets

Millions of adults and kids became hardcore fans in the first week, hitting the streets to play the game. Here's why it is great for society and our health...

# Arts

#TBT: Chicagoans Delight Over Magically Cheeky Self-Playing Piano

This intelligent instrument was designed to respond to its environment in real-time – and it responded with a mischievous personality.