一个巨难解释的英语句子结构分析---------务必高手帮忙

现在,曾经鲜为人知有“fringe”现在已经发展成每场持续21天中每天有1500场音乐、舞蹈、戏剧表演的节日.
Today the “Fringe”（主）,once less recognized（定）,has far outgrown（谓） the festival（宾） with around 1,500 performances of theatre,music and dance on every one of the 21 days it lasts.（with短语做定语）
with around 1,500 performances （of theatre,music and dance定语） （on every one of the 21 days宾补） it lasts（定语从句）.
结构：with performances on every one(day) of the 21 days