Mally x The Sundance Kid – Once We’re Kings (Video) February 17, 2012 stefanoneder . Video . Free On The 15th, Mally, Once We're Kings, The Sundance Kid This is a burner! I forgot how good this song was. It was originally a part of the the duo’s Free On The 15th series and now gets the visual treatment. The beat on this track and Mally’s flow make this an instant favorite.