| Clue | Source | Date |
|---|---|---|
| Keys above C's | New York Times | 19 Oct 2025 |
| Notes equivalent to C sharps | LA Times Daily | 21 Aug 2025 |
| They're just above C's | New York Times | 07 Jan 2023 |
| C neighbors | New York Times | 19 Aug 2018 |
| C neighbors | ||
| Neighbors of C notes | ||
| They're found by the C's |