For 10 points, name this Modest Mussorgsky opera about the titular czar during the Time of Troubles.
Comic songs in this opera include an innkeeper's love song to a goose and a nurse's song about a bug and a gnat. One character in this opera is caught trying to change the description of a Wanted poster of himself. This work was originally rejected for having no main female characters, which was fixed when the composer added a romantic meeting between Marina and the monk Grigory. Vaarlam and Misail sing a drinking song about the siege of (*) Kazan in this work. This work's prologue ends with a chorus of "Glory" using polymeter and the whole-tone scale. This work's title character sings the monologue "I have attained supreme power" before hallucinating his murdered predecessor. This opera ends with the title character giving the throne to his son Fyodor. For 10 points, name this Modest Mussorgsky opera about the titular czar during the Time of Troubles.
Comic songs in this opera include an innkeeper's love song to a goose and a nurse's song about a bug and a gnat.
Boris Godunov