Just a couple of quickie links:
EV Grieve did a nice post about the Electric Circus, including some cool Getty pics that he beat me to the punch in posting. Thanks to the ever-vigilant NYCDreamin' for the head's up.
And Rocks Off, perhaps best known for their summer concert cruises (we took one with the Fleshtones a few years ago and are still on their e-mail list after all this time), have just started a series of NYC Rock and Roll Walking Tours. Here's the schedule and booking page.