from Act I, Scene II of the Italian opera Il Barbiere di Siviglia
by Gioacchino Rossini
Libretto: Cesare Sterbini
Role: Doctor Bartolo
, a physician and Rosina's guardian
Voice Part: bass-baritone Fach: lyric bass
Setting: A room in Dr. Bartolo's house
Synopsis: After Rosina tries to deceive Dr. Bartolo by telling him many different lies, he declares that a doctor of his kind should not be treated as such and orders her locked in her room.