Cellist Yo-Yo Ma walks through the crowd on Friday, June 21, during the Yo-Yo Ma's Day of Action at Unity Park in Chicago's Homan Square neighborhood. | ALEXA ROGALS/Staff Photographer
Cellist Yo-Yo Ma walks through the crowd on Friday, June 21, during the Yo-Yo Ma’s Day of Action at Unity Park in Chicago’s Homan Square neighborhood. | ALEXA ROGALS/Staff Photographer
Children from Ravinia’s Lawndale Family Music School perform. | ALEXA ROGALS/Staff Photographer
24th ward Alderman Michael Scott Jr. talks about the community effort to clean up the park. | ALEXA ROGALS/Staff Photographer
Children from Ravinia’s Lawndale Family Music School perform. | ALEXA ROGALS/Staff Photographer
MA-RVELOUS: Cellist Yo-Yo Ma applauds the Children from Ravinia’s Lawndale Family Music School after their performance on Friday, June 21, during the Yo-Yo Ma’s Day of Action at Unity Park in Chicago’s Homan Square neighborhood. | ALEXA ROGALS/Staff Photographer
Cellist Yo-Yo Ma, right, takes photos with attendees last Friday, June 21, during the Yo-Yo Ma’s Day of Action at Unity Park in Chicago’s Homan Square neighborhood. | ALEXA ROGALS/Staff Photographer
Cellist Yo-Yo Ma, right, takes photos with attendees last Friday, June 21, during the Yo-Yo Ma’s Day of Action at Unity Park in Chicago’s Homan Square neighborhood.