Entropy, energy, and instability in music

Güngör Gündüz

Physica A: Statistical Mechanics and its Applications, 2023, vol. 609, issue C

Abstract: The structures of eight BEATLES songs were characterized by using the fundamental concepts of statistical physics, thermodynamics, and viscoelastic theory. The Shannon entropy, negentropy, order, topological entropy, fractal dimension, network properties, and conservative and dissipative energies were found for all songs. The sequential entropy change and the persistence of entropy were also discussed. The lengths of notes have an important influence on the psychological perception of the human brain, and it was found that the lengths of notes produce very highly ordered forms of sequential entropy difference. For further characterization, the scattering diagrams of songs were plotted, and the fractal dimensions, network densities, cohesions, and characteristic path lengths of songs were calculated and compared. The instability issues were elucidated based on the alignment of the vectors on the scattering diagram and the angles of these vectors. It was found out that some angles which could be expressed in terms of golden ratio came out to be in high percentages. They are associated with relatively more unstable states. The corresponding notes are the elements of high instability.

Keywords: Shannon entropy; Topological entropy; Directed graph; Fractal dimension; Instability; Golden ratio (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:609:y:2023:i:c:s0378437122009232

DOI: 10.1016/j.physa.2022.128365

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