Fig. 2From: Categorisation of polyphonic musical signals by using modularity community detection in audio-associated visibility networkVariance fluctuation series with 3,000 points obtained from 30 s audio files: a Unidos da Tijuca’s Samba-Theme - Rio de Janeiro Carnival Party - year 2012 and b J. S. Bach - Cantate BWV 156 - Ich Steh Mit Einem Fuss. Source: Author a Percussive series b Symphonic seriesBack to article page