Related Clues:
- 'The Star-Spangled Banner' lyricist
- One of many on a custodian's ring
- B minor, e.g
- Caps Lock, e.g
- Instrumental
- Sandy islet
- Small island in the Thames
- One in, or on, a chain
- English rivulet
- Fundamental, and a word that can follow the first parts of 20-, 31-, 41- and 52-Across
- Hotel desk handout
- One might be hidden under a mat
- Anthem writer Francis Scott ___
- Message-encrypting instructions
- Islet on a coral reef