text: A second-act scene from this ballet begins with a solo oboe playing a long F-sharp, and then an ascending B minor scale from B back up to the original F-sharp.
full_question: A second-act scene from this ballet begins with a solo oboe playing a long F-sharp, and then an ascending B minor scale from B back up to the original F-sharp. In its third act, thirty-two consecutive fouettÃ©s ["fwee-TAYZ"] end a pas-de-deux between the male lead and female antagonist, who traditionally is clad in black and performed by the same ballerina as the female lead, despite being the doppelganger Odile. At the end of this ballet, the sorcerer Von Rothbart has his power broken when Siegfried drowns himself alongside his transformed love. For 10 points, name this Pyotr Ilyich Tchaikovsky ballet in which Odette turns into the title bird.
first_sentence: A second-act scene from this ballet begins with a solo oboe playing a long F-sharp, and then an ascending B minor scale from B back up to the original F-sharp.
raw_answer: Swan Lake [or Lebedinoye ozero]