Listen to Sharpen the Battle Claws online. Sharpen the Battle Claws is an English language song and is sung by David Hirschfelder. Sharpen the Battle Claws, from the album Legend of the Guardians: The Owls of Ga'Hoole: Original Motion Picture Soundtrack, was released in the year 2010. The duration of the song is 6:22. Download English songs online from JioSaavn.