Which uncompleted opera was written by the composer of Croquefer, ou Le dernier des paladins?
Croquefer, ou Le dernier des paladins Croquefer, ou Le dernier des paladins is a one-act opéra bouffe by Jacques Offenbach to a French libretto by Adolphe Jaime and Étienne Tréfeu, first performed in 1857.
Gaspare Spontini Gaspare Luigi Pacifico Spontini (14 November 177424 January 1851) was an Italian opera composer and conductor.