About: Half diminished scale

The half diminished scale or Sisyphean Scale is a seven-note musical scale. It is more commonly known as the Locrian ♮2 scale, a name that avoids confusion with the diminished scale and the half-diminished seventh chord (minor seventh, diminished fifth). It is the sixth mode of the ascending form of the melodic minor scale (or jazz scale). Audio playback is not supported in your browser. You can . In the key of B♭, the half-diminished scale built on C is associated with Cm7♭5, which functions as a iiø7 chord in minor (see chord-scale system).