STRETTO
| Date | Clue |
|---|---|
| 2014-07-20 | Close overlap of fugue voices |
| 2010-09-07 | Feature of a fugue |
| 2008-03-30 | Close overlapping of fugue voices |
| 1999-12-12 | Fugue feature |
| Date | Clue |
|---|---|
| 2014-07-20 | Close overlap of fugue voices |
| 2010-09-07 | Feature of a fugue |
| 2008-03-30 | Close overlapping of fugue voices |
| 1999-12-12 | Fugue feature |