It is well known for the extraordinary technical demands it makes on the singer, and is sometimes performed in recitals and featured in anthologies. It features coloratura, abrupt octave-leaps between the upper and lower registers, and extended low notes,[1] including a drawn-out low D2, one of the lowest notes demanded of any voice in opera.[2][3] Mozart wrote it with one particular bass in mind: the very famous Ludwig Fischer.[4]
Context
Osmin, the bad-tempered house-servant to Pasha Selim, has caught his hated enemies trying to rescue a noblewoman from captivity in the Pasha's harem. He taunts them, gleefully anticipating the pleasure of seeing them hanged.[5]