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which unites their voices in impassioned accents until, as if this motive no longer sufficed to express their ecstasy, it is followed by the Motive of Love's Passion,
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which, with the Siegfried Motive, rises and falls with the heaving of Brünnhilde's bosom.
These motives course impetuously through this scene. Here and there we have others recalling former portions of the cycle—the Wälsung Motive, when Brünnhilde refers to Siegfried's mother, Sieglinde; the Motive of Brünnhilde's Pleading, when she tells him of her defiance of Wotan's behest; a variant of the Walhalla Motive when she speaks of herself in Walhalla; and the Motive of the World's Heritage, with which Siegfried claims her, this last leading over to a forceful climax of the Motive of Brünnhilde's Pleading, which is followed by a lovely, tranquil episode introduced by the Motive of Love's Peace,
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succeeded by a motive, ardent yet tender—the Motive of Siegfried the Protector: