Lydian cadence

A Lydian cadence is a type of half cadence that was popular in the Ars nova style of the 14th and early 15th century. It is so-called because it evokes the Lydian mode based on its final chord as a tonic, and may be construed with the chord symbols VII♯6
3-I (if the final is taken as a Lydian-mode tonic) or III6
3-IV (if the final is taken as a  in major). It is also the most common type of double-leading-tone cadence, as it contains two leading-tone resolutions (♯
 in major). It is also the most common type of double-leading-tone cadence, as it contains two leading-tone resolutions (♯ -
- and
 and  -
- ). A frequently used type of Landini cadence is based on the Lydian cadence, with the upper voice dropping to
). A frequently used type of Landini cadence is based on the Lydian cadence, with the upper voice dropping to  before skipping back up to the tonic.
 before skipping back up to the tonic.