Half a semitone.
More example sentences
- He would insert folk tunes into his exercises or submit pieces with free rhythms, quarter-tones and multilayered textures.
- The two instruments are tuned a quarter-tone apart, and it's incredible how soon the ear becomes accustomed to the strangeness of this tuning.
- Mirage was written in 1910, and inhabits - quarter-tones aside - the soundworld of Wagner, with a nod towards the tone poems of Richard Strauss.
Definition of quarter-tone in:
- The US English dictionary