By Brandy McDonnellPentatonix may have a new lineup, but the vocal quintet is still cranking out the fresh a cappella covers. The three-time Grammy Award-winning and multiplatinum-selling vocal group, which includes former University of Oklahoma student Kirstin Maldonado, dropped today a sizzling rendition of Camila Cabello's smash "Havana.Read more on NewsOK.com