A serenade is a romantic song intended to woo or gain the approval of a potential lover. It's a kind of musical pick-up line. The word can refer to any song or piece of music that has the characteristics of such a song
Sacred music.
Chromaticism is using notes of the chromatic scale in place of some of the notes in the regular diatonic scale as an enhancement or alteration.
testament
Secular music
I think the two composers that influenced Wolfgang the most were his father, Leopold Mozart, and Joseph Haydn, whom he met on his tour of England when he was six years old.
Claude Debussy was born in Paris, France.
The name of a device used to conduct an orchestra is a baton.