Navigating the New York subway is a perpetually frustrating beast. Well, for 99% of us suckers, anyway. Not so for Alexander Chen, who has turned the New York subway system into an ‘interactive string instrument. Using the MTA’s actual subway schedule, the piece begins in realtime by spawning trains which departed in the last minute, then continues accelerating through a 24 hour loop’. Brilliant. Now, breathe deeply. Again.