1. lowest female singing voice   oratario   trio   contralto   quartet   Hint Half-n-half Clue   2. combination of notes sounded simultaneously   theme   overture   chord   quintet   Half-n-half Clue   3. separate section of a long composition   movement   contralto   tempo   octave   Half-n-half Clue   4. highest adult male or lowest female voice   carol   octave   trio   alto   Half-n-half Clue   5. interval of eight tones   quartet   quintet   octave   movement   Half-n-half Clue   6. highest singing voice   movement   theme   soprano   quintet   Half-n-half Clue   7. variations in volume through a musical composition   octet   concerto   dynamics   theme   Half-n-half Clue