Pentatonix has gained quite a lot of attraction in the past couple of months and have become viral on the internet. Pentatonix first started off with only three group members which consisted of three childhood friends but have since grown to a total of five members. Pentatonix sings an acapella of “That’s Christmas To Me, ” and it has blown away everyone who has listened to it. Their incredible talent to sing acapella shows off their raw talent. This song will surely warm up your Christmas this year.