Already love this song but Ignazio, piero and gianluca do it the best! 

il volo

Sarah Brightman "Voce: Beautiful Songs"
Available on March 19, 2014
*Japan Only 
http://www.cdjapan.co.jp/product/TYCP-80080

Sarah Brightman - Done (Pop Version)

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Il Volo Mundial Official Soundcloud Channel - Love Story , from a live concert