In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

In the first scene of this opera, the protagonist comes onstage with a bear that pesters his surrogate father, who responds with his "Starling Song. " After he bathes in the blood of the antagonist in Act Two, the protagonist is able to see through the lies of that surrogate father, and proceeds to kill him. The blood also enables him to talk to a wood-bird, who explains how he can use the Tarnhelm to transport himself to Valkyrie Rock, where, at the beginning of Act Three, he must break the spear of Wotan with his newly-forged sword Notung. FTP, name this third opera in Richard Wagner's Ring Cycle, in which the title character awakens Brunnhilde.
Fine Arts