Waubonsie Valley High School's Mosaic Choir performs with the Chicago Sinfonietta honoring Dr. Martin Luther King at Wentz Hall in Naperville on Sunday, Jan. 20, 2013. | Donnell Collins~For Sun-Times Media
Conductor Mei-Ann Chen directs the Chicago Sinfonietta during a concert honoring Dr. Martin Luther king at Wentz Hall in Naperville on Sunday, Jan. 20, 2013. | Donnell Collins~For Sun-Times Media
The Chicago Sinfonietta was joined by Metropolitan Opera clarinetist and South Side native Anthony McGill, who accompanied Yo-Yo Ma at President Obama’s inauguration in 2009. The concert took place at Wentz Hall in Naperville honoring Dr. Martin Luther King on Sunday, Jan. 20, 2013. | Donnell Collins~For Sun-Times Media
The Chicago Sinfonietta was founded in 1987 by Music Director Paul Freedman. It's mission is to serve as a model for inclusiveness and innovation in Classical music. The orchestra performed at Wentz Hall in Naperville honoring Dr. Martin Luther King on Sunday, Jan. 20, 2013. | Donnell Collins~For Sun-Times Media
Lyric baritonist Robert Sims performed African American spirituals during a performance honoring Dr. Martin Luther King at Wentz Hall in Naperville on Sunday, Jan. 20, 2013. | Donnell Collins~For Sun-Times Media
A Chicago Sinfonietta tradition continued Sunday afternoon at Wentz Concert Hall on the campus of North Central College in Naperville as the group and many other special guests honored the life and work of American civil rights leader Martin Luther King Jr. Metropolitan Opera clarinetist …