Sal Valentinetti: Singer Performs Cool "Mack the Knife" Cover - America's Got Talent 2016

The cool singer channels Bobby Darin for his America's Got Talent finale performance of "Mack the Knife."

• 2016-09-14T15:49:13+00:00
• Duration: 03:04

• americangottalent
• show
• performance
• agtfinals2016
• tv
• television
• Performancce
• Music
• Talent

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