| 100% | BSHARP | 6 | C’s equivalent, in music |
| 72% | FFLAT | 5 | E's equivalent, in music: 2 wds. |
| 69% | BSHARP | 6 | It's equivalent to C, in some scores |
| 69% | BSHARP | 6 | It’s equivalent to C, in some scores |
| 66% | ESHARP | 6 | F equivalent, in music |
| 62% | IOO | 3 | Arabic equivalent of C hidden in this puzzle's five longest answers |
| 60% | MEL | 3 | B or C in music |
| 60% | BSHARP | 6 | C's equivalent |
| 60% | NOTES | 5 | In music, they are A, B, C, D, E, F and G |
| 59% | THEPURSUED | 10 | 1935 novel by C S Forester first published in 2011 |
| 59% | OCTAVE | 6 | C to C, in music |
| 59% | OATES | 5 | Hall's partner in music |
| 56% | NARNIA | 6 | Land in C. S. Lewis's "Chronicles" |
| 56% | CLIVE | 5 | The "C" in C. S. Lewis |
| 56% | ONCEA | 5 | "___ king in Narnia...": C. S. Lewis |
| 56% | SOLO | 4 | Tutti's opposite, in music |
| 56% | CRESC | 5 | Dimin.'s opposite, in music |
| 56% | FLAT | 4 | Sharp's counterpart, in music |
| 56% | SHARP | 5 | Flat's opposite, in music |
| 56% | TUTTI | 5 | Solo's opposite, in music |
| 56% | NARNIA | 6 | Setting of seven fantasy novels by C S Lewis published in the 1950s |
| 55% | BAFTA | 5 | Oscar's equivalent in U.K.: Abbr. |
| 55% | TEN | 3 | King's equivalent, in blackjack |
| 55% | COMTE | 5 | Earl's equivalent, in Évreux |
| 55% | CLAMPS | 6 | C's in shop class? |
| 55% | PIGOTT | 6 | A C S —, England cricketer; 1984 one-Test wonder against New Zealand in Christchurch |
| 54% | BAFTA | 5 | Oscar's equivalent in the U.K.: Abbr. |
| 54% | MILE | 4 | Miss's equivalent, in a saying |
| 54% | COMPTON | 7 | D C S —, England Test cricketer who hit 278 against Pakistan at Nottingham in 1954 |
| 53% | COUNTRY | 7 | The C in CBGB, famous punk music club in New York |