1. octet   voice above one's natural range   composition written for eight voices or instruments   music for a group of five instruments or voices   degree of highness or lowness of a sound   Hint Half-n-half Clue   2. alto   separate section of a long composition   combination of melodies   highest adult male or lowest female voice   short or light musical drama   Half-n-half Clue   3. overture   characteristic quality of the sound of a voice or instrument   extended composition for voices and orchestra on a sacred subject.   Christmas hymn or song   orchestral composition forming an introduction to a performance   Half-n-half Clue   4. falsetto   music for a group of three instruments or voices   Christmas hymn or song   composition written for eight voices or instruments   voice above one's natural range   Half-n-half Clue   5. movement   musical composition for solo instrument and orchestra   separate section of a long composition   highest adult male or lowest female voice   speed at which a musical composition is performed   Half-n-half Clue   6. operetta   music for a group of four instruments or voices   musical composition numbered as a composer's work   short or light musical drama   speed at which a musical composition is performed   Half-n-half Clue   7. octave   orchestral composition forming an introduction to a performance   interval of eight tones   highest adult male or lowest female voice   composition written for eight voices or instruments   Half-n-half Clue