Tomorrow, Criterion Edition releases Godfrey Reggio's seminal Qatsi Trilogy on DVD & BLU RAY

Wednesday, Glass and violinist Tim Fain perform at La Fenice in Venice. 

And London lucks out this weekend with a performance, premiere really, of Koyaanisqatsi with Orchestra at the Barbican, the PGE who is also performing (with Glass), will do a Retrospective set on Saturday night in London as well.