A lovable grouch, obsessed with the magic of American sidewalk harmony, runs the Philadelphia shop Richard Grant; Photographs by Jason Varney Here are 12 of the rarest doo-wop records ever made.

The music made famous on the street corners of Philadelphia and other big cities that became one of the most recognizable sounds of the early days or rock and roll. is coming indoors.

Doo Wop, Pop and Soul Generations (My Music) is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire ...