I went to Lincoln Center this evening to hear an outdoor performance - the US premiere - of Rhys Chatham's minimalist piece 'A Crimson Grail' scored for 200 guitars. It sounded pretty cool in the open air and in that great setting. It reminded me a bit of "In C" by Terry Riley which blew me away when I first heard it maybe 25 years ago.
Here's part of the intro. You decide for yourself.
When the bass started thumping at the start of what I guess was the second movement, at least two people near were I was standing started singing the guitar line from 'Purple Haze'.