"5. What is the quality of the voice? is it loud or soft, clear or rough, steady or tremulous?
"6. What is the usual compass of the voice?
"7. Which is the prevailing male voice—tenor, baritone or bass?
"8. Which is the prevailing female voice—soprano or alto?
"9. Do the people generally sing without instrumental accompaniment?
"10. Have they songs performed in chorus by men only, or by women only, or by both sexes together?
"11. When they sing together, do they sing in unison, or in harmony, or with the occasional introduction of some drone accompaniment of the voice?
"12. Is their singing in regular time, or does it partake of the character of the recitative?
"13. Have they songs for solo and chorus,—or, with an air for a single voice, and a burden (or refrain) for a number of voices?
"14. Describe the different kinds of songs which they have (such as sacred songs, war-songs, love-songs, nursery-songs, etc.), with remarks on the poetry.