UnScramble this Word: s l o u c e m i?

Questions

Who wrote the "Water Music" ?

Mussorgski's "Boris Godunov" was to political for the Russia of the czars. Who revised in to make it more acceptable ?

Tchaikowsky made use of what newly invented instrument in "Dance of the Sugar Plum Fairies" ?

This composer died in Paris from cancer of the rectum while the city was being shelled by the German Army in 1918. ?

Puccini's finest opera was completed after his death by his frend Franco Alfano. It is a fairy tale about a cruel but beautiful Chinese princess. ?