As Midori visits to play one of the great violin concertos with the Colorado Symphony, Charley Samson has the story behind the music.
The orchestra plans some big shows at Colorado's famous natural amphitheater.
Listen: American Contemporary Music Ensemble (ACME) and Johann Johannsson in the CPR Performance Studio
The musicians play five of Johannsson's pieces for string quartet, piano and electronics.
How a devoted orchestra musician found herself embracing chamber music.
How sadness and longing in the composer's life influenced his music.