1. quartet   voice above one's natural range   separate section of a long composition   music for a group of four instruments or voices   degree of highness or lowness of a sound   Hint Half-n-half Clue   2. concerto   musical composition for solo instrument and orchestra   variations in volume through a musical composition   music for a group of five instruments or voices   highest singing voice   Half-n-half Clue   3. trio   interval of eight tones   short or light musical drama   speed at which a musical composition is performed   music for a group of three instruments or voices   Half-n-half Clue   4. chord   degree of highness or lowness of a sound   combination of notes sounded simultaneously   person who directs a choir's or orchestra's performance   Christmas hymn or song   Half-n-half Clue   5. oratario   Christmas hymn or song   set of five horizontal lines on which music is written   series of successive notes in a specified order   extended composition for voices and orchestra on a sacred subject.   Half-n-half Clue   6. alto   series of successive notes in a specified order   separate section of a long composition   degree of highness or lowness of a sound   highest adult male or lowest female voice   Half-n-half Clue   7. octave   set of five horizontal lines on which music is written   musical composition for solo instrument and orchestra   musical composition numbered as a composer's work   interval of eight tones   Half-n-half Clue