English: (a) Musical score of a C-major scale. (b) Chromagram obtained from the score. (c) Visual representation (Sonogram?) of an audio recording of the C-major scale played on a piano. (d) Chromagram obtained from the audio recording.
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{{subst:Upload marker added by en.wp UW}} {{Information |Description = {{en|(a) Musical score of a C-major scale. (b) Chromagram obtained from the score. (c) Audio recording of the C-major scale played on a piano. (d) Chromagram obtained from the audio...