Sons of Serendip is a unique Billboard Charting quartet consisting of a harpist, cellist, pianist and lead vocalist. The quartet was a finalist on Season 9 of "America’s Got Talent", gaining popularity by offering fresh interpretations of popular music. https://www.youtube.com/watch?time_continue=106&v=OuLAIF6XpL4 https://www.youtube.com/watch?time_continue=1&v=J5SDMvkh0Us