Possible Clues:

• Production briefly touring old part of London's West End
• Not the first of arty types going from East to West End
• Phil Lynott went "Solo" here?
• So it's an endless show in London
• Hullo like this in London
• Loft-y place?
• Manhattan neighborhood with galleries
• It's bounded by Canal Street
• Arty NYC section
• Home to some notable cast-iron architecture in N.Y.C.