Natsuhiboshi

Natsuhiboshi (literally mean: Summer Star or Summer Fire Star) is the title of the song that both Sumaru and Natsuhi sang durining the Hoshigakure filler arc, is a http://naruto.wikia.com/extensions/wikiwyg/share/MediaWiki/images/hr.giforinally a lullaby that Natsuhi use to sing to his son when his still a baby, Sumaru usually sing the lullaby whenever he remembers his deceased mother, the lullaby has two version Sumaru's version which only played once Episode 179: The Remembered Lullaby, Natushi's version which was played thrice, one was a seek peek in Episode 180: Hidden Justu: Price of the Ninja Art Kujaku, second was the full version in Episode 180:Reunio: The Remaining Time, third was in Episode 181: The Star Redinace which where Natsuhi's spirit helped Naruto defeat Akahoshi