| CLEF | Meaning "key", a symbol on a stave used to indicate the pitch of written notes such as :((4) |
| GLOSSARY | Also known as a clavis from the Latin word meaning "key", a brief dictionary relating to a specific topic, traditionally at the end of a book (8) |
| ALTOCLEF | Musical symbol that places middle C on the middle line of a stave, used chiefly for viola music (4,4) |
| TWOTONE | Word for something bicoloured or dichromatic; or, a bell/horn with a pair of notes, such as "ding-dong" (3-4) |
| AVESTA | A stave used for songs of Zoroaster (6) |
| LETTERS | Notes such as A, C and D |
| ALTO | Musical notation resembling two linked back-to-front Cs, chiefly used to indicate the pitch of viola music (4) |
| ICON | A symbol on a computing screen of a program, option or window (4) |
| ACDC | Band that took its name from a symbol on a sewing machine |
| FLAT | Note such a battery is unserviceable (4) |
| NOTES | Keys of a piano; musical symbols on a stave; or, the songs/tones of birds (5) |
| EYE | Part of a symbol on a dollar bill |
| HEART | Man painting a symbol on a card |
| PLAYBYEAR | Ignore written notes - this is the place to stop tucking into fruit (4,2,3) |
| VOLUMINOUS | Of written notes, very lengthy and detailed (10) |
| ENSIGN | Points to a symbol on the flag (6) |
| SILICON | Sail lacks a symbol on screen but it's an essential component in the computer (7) |
| CONTESTABLE | Policeman penning note such as could be disputed |
| TICKETS | Word originally for short written notes, later cards or paper passes entitling holders to travel or entry into cinemas, concerts, shows etc |
| NETES | Musical symbols on a stave that represent sounds; or, marginalia (5) |
