A Girl Starts Singing And She's Very Good, But Seconds Later ... I've Got CHILLS !
The duo Jonathan and Charlotte are famous after performing at Britain's Got Talent in 2012. Despite not having won the first place the two have got on stages all over the world with their harmony and their extraordinary voices.
Sam Tsui and Casey Breves are two young men with a crazy talent. Not only they're great singers if considered individually, but their incredible voices also makes them capable of performing simultaneously…