二皮音乐节是中国当前最重要的大型实验音乐演出，
从2003年开始，于每年11月的最后一个周末在杭州举行，
至今已成功举办了四届。
今年是2pi音乐节的第五年，同样会在杭州举行五周年演出。

2pi Festival is the most important one of China for experimental/avant-guard music.
Since 2003, it is held annually on the last weekends of November in Hangzhou, Zhejiang Province.
By now, it has been held successfully for four times.
This year is the fifth year of 2pi festival. There will be an anniversary concert in LOFT49, Hangzhou.