On this week’s Modern Notebook with Tyler Kline: “Unity Amongst Youth of Diaspora” and “Secondline for Black Love” are the two movement names of Courtney Bryan’s “Carnival of Unity.” We’ll hear this piece as a part of a special Juneteenth lineup, plus music by Ornette Coleman, Julius Eastman, and others. And Valerie Coleman’s “Portraits of Langston,” inspired by the great Harlem Renaissance poet.

Also featuring music by Jasmine Barnes, Anthony R. Green, Brittany J. Green, Joel Thompson, Carlos Simon, Jessie Cox, and others; and performances by tenor Lawrence Brownlee and pianist Kevin J. Miller, violist Carrie Frey, fivebyfive, flutist Jennifer Grim, EXIGENCE, PUBLIQuartet, InfraSound, oboist Kyle Bruckmann, and more.