Panel No. 1 from Jacob Lawrence, The Migration Series. The panel is titled: "During World War I there was a great migration north by southern African Americans." Courtesy of The Phillips Collection hide caption toggle caption Courtesy of The Phillips Collection A Blog Supreme Choo Choo Boogaloo: 5 Jazz Songs For Trains WBGO March 1, 2011 Locomotives churning across America's vast open landscape provided plenty of fodder for jazz composers in the early 20th century. Railroads symbolized freedom, escape and opportunity for countless musicians, many of whom lived a vagabond lifestyle, always in pursuit of the next gig.