tonality
noun /təʊˈnæləti/
/təʊˈnæləti/
[uncountable, countable] (plural tonalities)
(music)- the quality of a piece of music that depends on the key in which it is written
- The piece then shifts in tonality, setting a more hopeful mood.
- His music exhibits great originality and harmonic interest without abandoning the principles of tonality.