The Fourth Wall, an evening of art song by African-American composers, features the remarkable voices of soprano Tiffany Bostic-Brown and baritone Terrance Brown accompanied by Gregory Vajda and the Huntsville Symphony Orchestra. The sensitive, beautifully scored selections by Robert Owens and H. Leslie Adams include settings of poems by William Wordsworth, Emily Dickinson, James Weldon Johnson, and Langston Hughes narrated by Gabrielle Fuqua.