Swing group Jack Pack sing Frank Sinatras Thats Life in their audition. Will it be enough to secure them a place in the next round? See more from Britains Got .\r
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See more from Britains Got Talent at Swing singers Jack Pack perform a Sinatra classic. Will they be back? SUBSCRIBE: .\r
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JACK PACK :SINGS THATS LIFE The fab four launched into a beautiful rendition of Frank Sinatras Thats Life such an awesome performance .