Chart 1 indegree distribution of pop music model -2.5 1509 amount of nodes Chart 2 outdegree distribution of pop music odel 0 -1.5 amount of nodes Chart 3 indegree distribution of Jiangnan music mode 0.15 0.1 y=-0.0705x+0.2893 amount of nodesy = -0.0607x - 1.5095 -3 -2.5 -2 -1.5 -1 -0.5 0 0 5 10 15 20 log di/N amount of nodes Chart 1 indegree distribution of pop music model y = -0.1267x - 1.2016 -3 -2.5 -2 -1.5 -1 -0.5 0 0 2 4 6 8 10 12 logdo/N amount of nodes Chart 2 outdegree distribution of pop music model y = -0.0705x + 0.2893 0 0.05 0.1 0.15 0.2 0.25 0.3 0 5 10 15 20 25 30 logdi/N amount of nodes Chart 3 indegree distribution of Jiangnan music model