thank you. >> thanks a lot, charlie. >> back in a moment, stay with us. >> rose: christian marclay is work over the past three decades has explored the intersection between sound and image. his tour deforce is a 24-hour video collage called "clock." it's become a global phenomenon after debuting in 2010. constructed from thousands of fragments culld from the entire cinematic archive, "the clock" unfolds in perfect realtime. writing in the "new yorker," marclay was called "the most exciting chrojist since robert rauchenberg." it's on view at the david rubinstein atrium until august 1. i'm pleased to have him here at the table. welcome. >> thank you for having me. >> tell me about your evolution as an artist that got you to this idea? >> well soon after coming out of art school where i was trained as a visual artist this was just the beginning of a video. quickly i got interested in performance art and i abandoned making objects for live performance and a particular mixing words on multiple turntables. sort of like a d.j. but not quite. >> rose: which has become a big thing. some say d.