| Answer | Crossword Clue |
|---|---|
| OTS | Fifth qtr. and such |
| INOT | Playing a fifth qtr., say |
| organum | a. the doubling, or simultaneous singing, of a melody at an interval of either a fourth, a fifth, or an octave b. the second part in such singing |
| organa | a. the doubling, or simultaneous singing, of a melody at an interval of either a fourth, a fifth, or an octave b. the second part in such singing |
