They're presenting The Getty Address. It's a story about a guy named Don Henley (yeah, that guy) who falls in love with a gal named Sacajawea (yes, that one).
I like their song Ascending Melody. Here's a link. It's a trip.
My brother's group is classical, but they recreate a lot of electronica - among many other things - but here's one of my faves.
Here's 4 by Aphex Twin...
Here's Alarm Will Sound's version with instruments.