Mermaid melody song question?

this piano melody has played various times during the show and im in love with it! please help me find out the name heres a link http://www.youtube.com/watch?v=HK_stv6YCEc&feature=related it plays through 5:23-6:28 :) please help me ive tried but i cant i need to know! thanks and if the link doesnt work its mermaid melody pure episode 27 part 3 by Pearlmermaidprincess :)