Misc: What it the ninth sign of the zodiac, symbolized by an archer?

Questions

Which notorious British murderer appears in Alban Berg's unfinished opera Lulu?

Which port is the capital of the Italian region of Liguria?

First produced in 1960, which Lerner and Loewe musical contains the songs - What Do the Simple Folk Do and If Ever I Would Leave You?

Opening in 1972, the action in which musical takes place at Rydell High School?

What is the heraldic term for a diamond shape?