are shown in the Table 1 Table 1 Coding mode of rhythm duration0.1250.250.5 4 glissandi 40 30 70 Other codes are follows the formula C=(tt)(t2-t1)+C C means the code of the rhythm in question. tI means duration of the rhythm in Table 1 that has the longest duration among the rhythm whose duration is shorter than the one of the rhythm in question. t] means the duration of the rhythm in Table I that has the shortest duration among the rhythm whose duration is longer than the one of the rhythm in question. ti means the duration of the rhythm in question. CI means the code of the rhythm whose duration is ti For range, I represents the lowest octave on an 88-key piano, and 7 represents the ighest octave. From 1 to 7, the octave it represents goes higher. The structure of the code is rhythm-tone-range. For example, the code of 3 is 4033 When music is converted into code serial, only the theme is taken into consideration and information about chord and accompaniment is abandoned to extrude the most crucial features and simplify the coding process 2.2 Network model Consider every note as a node and edges stand for chronological sequence. a note is connected directedly with the node next to it, and if they show up in the music repeatedly, the weight of the edge will increase 3. Features of music Distinguishing regional music and pop music by listening is easy. In the music model, they also show different features. To be more specific, Jiangnan music and Menggu music are chosen to represent regional music. Figure I is the modeling results of Jiangnan music. Figure 2 is the modeling results of Menggu music. Figure 3 is the modeling results of pop musicare shown in the Table 1. Table 1 Coding Mode of Rhythm duration 0.125 0.25 0.5 1 2 4 glissandi code 60 50 40 30 20 10 70 Other codes are follows the formula: C= (ti-t1)/(t2-t1) +C1. C means the code of the rhythm in question. t1 means duration of the rhythm in Table 1 that has the longest duration among the rhythm whose duration is shorter than the one of the rhythm in question. t2 means the duration of the rhythm in Table 1 that has the shortest duration among the rhythm whose duration is longer than the one of the rhythm in question. ti means the duration of the rhythm in question. C1 means the code of the rhythm whose duration is t1. For range, 1 represents the lowest octave on an 88-key piano, and 7 represents the highest octave. From 1 to 7, the octave it represents goes higher. The structure of the code is rhythm-tone-range. For example, the code of 3 is 4033. When music is converted into code serial, only the theme is taken into consideration and information about chord and accompaniment is abandoned to extrude the most crucial features and simplify the coding process. 2.2 Network Model. Consider every note as a node and edges stand for chronological sequence. A note is connected directedly with the node next to it, and if they show up in the music repeatedly, the weight of the edge will increase. 3. Features of Music. Distinguishing regional music and pop music by listening is easy. In the music model, they also show different features. To be more specific, Jiangnan music and Menggu music are chosen to represent regional music. Figure 1 is the modeling results of Jiangnan music. Figure 2 is the modeling results of Menggu music. Figure 3 is the modeling results of pop music