Problem: Which British composer wrote the opera Troilus and Cressida?
======
A: sir william walton

Problem: Name the mediaeval siege weapon used for hurling missiles?
======
A: mangonel or trebuchet

Problem: Describing a verb used as a noun, a gerund must end in what letters?
======
A: ing

Problem: "Who wrote the music for the musical (and later, film) ""Cabaret""?"
======
A:
john kander and fred ebb