Evolution of top-10 stemmed digrams

Digrams and their aggregated value:

1. music instrument [138]
2. sound synthesi [132]
3. music perform [124]
4. comput music [107]
5. physic model [91]
6. music composit [79]
7. music score [58]
8. real time [56]
9. interact music [55]
10. neural network [51]