As we speak, Jay-Z is performing / lip-syncing his new track 'Picasso Baby' at the Pace Gallery in New York City for six whole hours.

Damn! We hope he's switching between performing and lip-syncing to save his voice... HOV's Legends of Summer tour with Justin Timberlake starts next week!

This stunt is likely to become a video for Jay's 'Picasso Baby' video, which will be one of the six pieces of art he promised in his Twitter Q&A. For those who didn't see he tweeted: