Misc: what's "crocodile" dundee's given name?

Questions

- A chord of four notes played on a bowed string instrument.?

- A group of four notes to be played in the time of 3.?

- Same as common time consisting of four quarter notes to the bar, written 4 / 4 or C.?

- In 4 / 4 time, the equivalent of one beat.?

- A composition for four performers.?