At President Abraham Lincoln's funeral in 1865, the oak tree stood just a few feet from the event, shading the funeral choir.
Bonobo, “Dismantling Frank”
The Wee Trio, “Shepherd”
Massive Attack, “Paradise Circus”
Steve Earle, “Halo Round the Moon”
Blockhead, “The Prettiest Sea Slug”
Bruce Springsteen, “My Hometown”
Sigur Ros, “Nybatteri”
Peter O’Dowd follows the route of Abraham Lincoln's funeral train 150 years ago, to look at modern-day race relations and Lincoln's legacy.