Saundra Glenn Chris Martin made a special stop — and one fan's day — ahead of Coldplay's concert on Sunday, May 26. A fan of the seven-time Grammy-winning band shared Martin's act of kindness ...

The rocker played "Working on a Dream" and "Dancing in the Dark" with Coldplay Rachel DeSantis ... "Dancing in the Dark" with Martin on piano. "Go ahead, kid! C'mon Chris!" Springsteen encouraged ...