Misc: in 1958 who had a pop music hit with 'willie and the hand jive'?

Questions

- An opera in which the principal character undergoes a test or a difficult journey, or experiences hardships before reaching his goal (e.g . Mozart's Magic Flute).?

- A modern ballroom dance with quick steps.?

- A composition for five performers.?

- A group of five notes to be performed in the time of 4.?

- Time with five beats, usually quarter notes, to the bar (e.g. 5 / 4 time). Not common before the 20th century.?