| CLARABELLA | Organ stop with the quality of a flute |
| TONAL | To do with the quality of a sound (5) |
| FLUBBER | Substance with the quality of anti-gravity discovered in 1961 film The Absent-Minded Professor (7) |
| DULCIANA | Organ stop with a sweet, string tone (8) |
| ABSORBENTMINDED | Concerned with the quality of paper towels? |
| HARDNESS | Turn to account to keep diamonds with the quality of diamonds (8) |
| SQUINTED | Peered at small organ stop with journalist (8) |
| PICCOLO | Organ stop with one cubic centimetre in sport (7) |
| TOOTLE | An onomatopoeic word for a soft sound of a flute, saxophone or trumpet etc; an act of blowing one of the said instruments; or, an amble, leisurely drive or short pleasure trip (6) |
| CHROMA | Greek "colour", thus the quality of a shade's intensity or purity of a hue, as found in a television signal (6) |
| LIETO | Almost stop with the head facing the wind, as a ship |
| STEALTH | Go off with - largely - the quality of a ninja (7) |
| UTE | A Native American somewhat of a flute player |
| REGISTER | An official list of items or names; the book containing said record; an organ stop; or, the compass of a musical instrument or voice (8) |
| SALICET | From "willow", a pipe organ stop whose name beautifully encapsulates the delicate reedy tone of a little pipe made from a withy branch (7) |
| COLONEL | Officer makes a stop with the Spanish (7) |
| CLASS | The quality of a cool-headed girl (5) |
| LOUDNESS | The quality of a fine point (8) |
| TIMBRE | The quality of a sound as opposed to pitch and loudness (6) |
| ASSAY | Test the quality of (a metal) |
