The video for Chinese artist Ai Weiwei's newly released song starts by re-creating the conditions of his captivity during the 81 days he was held in police detention in 2011, and later dissolves into a dystopian nightmare. Courtesy Ai Weiwei hide caption

toggle caption Courtesy Ai Weiwei

Ok Go performing "What to Do" -- through the use of only bells -- off their self-titled debut album. Ciro Boro - photo/flickr hide caption

toggle caption Ciro Boro - photo/flickr

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