By Andrew Liszewski on Sploid, shared by Cheryl Eddy to Gizmodo

For a never-before-seen look at how an opera singer is able to produce such an amazing sound, German baritone Michael Volle …

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Source:: http://feeds.gawker.com/~r/gizmodo/full/~3/RlwWuWjhxcc/looking-inside-a-performing-opera-singers-head-with-an-1774702909