I'm pleased to see that the 1000 minute Longplayer choral project has reached it's funding target.
https://www.kickstarter.com/projects/333361486/longplayer-for-voices-the-next-step

I still need to make the pilgrimage to the Longplayer installation at Trinity Buoy Wharf. Open at the weekends, 11am to 4/5pm. 
http://longplayer.org/visit/

Longplayer is a one thousand year long composition that's been running so far for 14 years 232 days 07 hours 52 minutes and 05 seconds and counting.