CCLEF
| Date | Clue |
|---|---|
| 2026-08-23 | Musical staff symbol |
| 2026-06-14 | Viola score symbol |
| 2025-06-29 | Staff symbol for violists |
| 2024-04-21 | Staff symbol |
| 2011-03-14 | Musical staff sign |
| 2008-11-27 | Symbol seen on viola music |
| 2008-10-22 | Staff symbol |
| 2004-04-07 | Staff symbol |
| 2002-12-13 | Movable musical symbol |
| 1999-12-05 | It's used in viola music |
| 1997-07-17 | Musical staff sign |