Fig. 6

Variance fluctuations of two audio samples and their respective distributions of nodes per community, obtained from the visibility networks created by mapping these fluctuations. Source: Author. a Variance fluctuation series of Symphonic track 24 (Mozart’s Symphony 41 (k 551)). b Distribution of nodes per community of the Symphonic track 24 visibility network. c Variance fluctuation series of Percussive track 4 (song “Run Back” by Carl Douglas). d Distribution of nodes per community of the Percussive track 4 visibility network