Street music moves the masses

After walking past street musicians outside subway stations and seeing the emotional impact they often have on even the most passive commuters, Mark Johnson decided to highlight this engaging form of music.

The Grammy winning filmmaker brought over 100 musicians from around the world together for a collaboration called "Playing for Change". The project has produced a cover of the song "Stand by me," and wants to get more people involved in the project

More info: http://www.playingforchange.com/