Mozart’s the Magic Flute is largely a metaphor pertaining to the Freemasonry and the enlightenment… augmented by fornication and flatulence jokes.
A musician is anyone who plays, composes, conducts, or preforms music.
Stephen Sondheim can be considered “the father of the modern American musical”. Sondheim evolved the traditional American musical instead of adopting the more contemporary style of his peers.
In a 1968 interview John Lennon said of Harry Nilsson, “everything influences everything, Nilsson’s my favorite group.” McCartney mirrored the statement.