The poem selected is "Out of the Rolling Ocean, the Crowd" from Whitman's major work, Leaves of Grass (1867), and read by Garrison Keillor. The musical piece is "Letter from Home" (1943-44), a short lyrical essay for orchestra by Aaron Copland.
Whitman's "Out of the Rolling Ocean, the Crowd" was broadcast by US National Public Radio on January 13, 2010: writersalmanac.publicradio.org/index.php?date=2010/01/13
"Letter from Home" was recorded by The London Symphony Orchestra, conducted by Aaron Copland (1970) [The Copland Collection: Orchestral & Ballet Works - 1936-1948. Catalog #: 46559. Spars Code: ADDS. (C) 1990 CBS Records Inc./(P) 19751 1978, 1990 CBS Records Inc.]