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MusicTools

Interesting usages of Chomsky Analysis:

  • Analyze an invention by Bach, tweak the main theme and replay

Types of repetition:

  • Identical
  • Transposed by octave or two
  • Transposed by number of semitones
  • Within the same scale, but start from a different tone e.g. Albinoni Adagio, Mozart 40th Symphony
  • Within different scales

Chomsky Analysis Algorithm

CAA analyzes a single or multiple voices looking for similarities. The output of the analysis is a DAG(Direct Acyclic Graph) where the leafs represented repeating patterns and roots represent voices.

The Main Music Tool

The Main Music Tool is a software applicaiton for musical analysis and improvisation:

  • Analysis provide structural view over the composition highlighting motives/themes
  • Themes can be tweaked and the composition can be played back thus improvisaiton is achieved