Songs Save the World / Don’t Worry Child Performed by Pentatonix Originally by Swedish House Mafia On the album PTX, Vol. 2 Released in 2014 Versions Episode(s) Artist Length Artwork Album Original Artist Year Buy Pentatonix 3:47 PTX, Vol. 2 Swedish House Mafia 2014 Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website This site uses Akismet to reduce spam. Learn how your comment data is processed.