The most common and most likely answer to this crossword clue is the 10 letter word TONALITIES
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The cryptic/wordplay part
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Crossword Answer definitions
TONALITIES noun- The system of seven tones built on a tonic key; the 24 major and minor scales.
- A sound of specific pitch and quality; timbre.
- The quality of all the tones in a composition heard in relation to the tonic.
- The interrelation of the tones in a painting.