July 14, 2014; 6:17 AM ET
As Minneapolis prepares to host the Major League Baseball Home Run Derby and All-Star Game this week, temperatures will be reminiscent of autumn. more >
A stranger trying to help a little boy have a special day made a mini-superstar after 8-year-old Dylan Spoering advertised he would give a free piano concert using a simple sign in his front yard. On the front porch of the blue house on the corner, something big happened.