| HANCOCK | The signature of John (7) |
| ART | "The signature of civilizations": Beverly Sills |
| EBOR | The signature of Archbishop Stephen Cottrell (4) |
| IPA | "The signature of craft brewers worldwide" |
| XES | Letters at the signature of a Valentine's Day card |
| LOOPY | Like the signatures of outgoing people, it's said |
| ONEFLAT | What the key signature of the F Major scale consists of: 2 wds. |
| DESIGNS | Cancels the signature for the plans? (7) |
| TAKETHE | Jazz standard by Billy Strayhorn, the signature tune of the Duke Ellington orchestra (4,3,1,5) |
| BENNETT | I Left My Heart in San Francisco was the signature song of which singer, who died last year aged 96? (7) |
| CATLADY | Taylor Swift, per the signature on her endorsement of Kamala Harris |
| ESTEFAN | Gloria with the signature song "Conga" |
| KNIGHTSBRIDGE | ... March, the last movement of the London Suite by Eric Coates which was the signature tune of the Home Service programme In Town Tonight (13) |
| JOHNHANCOCK | Signature of American comedian (omitting the Anthony) |
| TRADEMARK | Signature of the original fabulous dream boat (9) |
| RMUTT | The signature at the foot of Marcel Duchamp's 1917 work Fountain (1,4) |
| COSMOPOLITAN | Popular cocktail which was also the signature drink of Carrie Bradshaw from Sex and the City |
| TAKETHEATRAIN | Jazz standard by Billy Strayhorn that was the signature tune of the Duke Ellington orchestra |
| ATRAIN | Jazz standard by Billy Strayhorn, the signature tune of the Duke Ellington orchestra (4,3,1,5) |
| POSTSCRIPT | A message added at the end of a letter, after the signature (10) |