Eric Whitacre - Eric Whitacre's Virtual Choir 2.0, 'Sleep' - YouTube

https://www.youtube.com/watch?v=6WhWDCw3Mng

"Sleep" is available now on Eric Whitacre's new album "Light & Gold." Amazon - http://amzn.to/LightGoldAmazon iTunes - http://bit.ly/LightGoldiTunes The 2011...