I Need A Song To Sing With My Dad A.S.A.P.

Hey well i need help getting a song to sing with my dad its something ive been wanting to do at my 15 every one says and tell my they had seen where a girl and her father sang this beautiful song together but no one knows who was the original singer or even the name of the song its parts are billingual some in spanish and some in english . Well if any one can help a.s.a.p. That would be great