Musical similarity

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Musical similarity is a certain similarity between two or more musical fragments. If these fragments are from one musical piece a musical similarity implies a repetition of the first occurring fragment. As well, eventually, the similarity does not occur by direct repetition, but by presenting in two (or more) set of relations, some common values or patterns. Then musical similarity can be classified at least in the following parameters:

Pitched parameters

• Pitch interval similarity
• Melodic similarity
• Modulation pattern similarity
• Timbral similarity

Non-pitched parameters

• Metrical structure similarity
• Rhythmic pattern similarity
• Section structure similarity

Semiotic parameters

• Modality structure similarity
• Extensional similarity
• Intensional similarity