My return to subway gigs after a long summer break couldn't have been better. I performed in the Graybar corridor at Grand Central Station (it feeds into the main hall) and has a great people watching vantage point.With amazing warm acoustics naturally created by great architecture, I sang with ease and enjoyed what only time off can provide, the ability to hear myself with fresh ears and ideas. I noticed many people taking an "audio" tour of the station. There's a funny juxtaposition of tourists casually looking up at whatever is being pointed out from a voice in their headphones and the racing commuters who always seem to cut their next train close to within seconds.It's truly a dance, albeit clumsy at best.