Lyrics: Tin roof...... Rusted?

Questions

- 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.?

(Lat., 'what you will') - A piece containing several popular tunes. The composition may be improvised or notated and was especially practised by German composers (e.g. Bach) in the 17th and 18th centuries.?

- Abbreviation of(l) Ray in the tonic sol-fa; (2) Respond.?