This composer wrote an opera taking place on Crete in which a king must sacrifice his own son Idamante.  
This composer wrote an opera taking place on Crete in which a king must sacrifice his own son Idamante.  In addition to composing Idomeneo, this composer wrote an opera in which Guglielmo and Ferrando disguise themselves as Albanians and seduce each other's lovers.  This composer of (*) Cosi fan Tutte wrote his last opera about Tamino's use of a certain instrument to rescue Pamina, the daughter of the Queen of the Night.  Another of his operas is a sequel to Rossini's The Barber of Seville.  For 10 points, identify this composer of Don Giovanni, The Magic Flute, and The Marriage of Figaro, who is probably best remembered as an Austrian musical prodigy.
This composer wrote an opera taking place on Crete in which a king must sacrifice his own son Idamante.  
Wolfgang Amadeus {Mozart-}