sentences:  Following the recapitulation which begins in the unexpected key of G minor but later corrects itself back to the original key, the movement reaches its climax in the coda, in which materials from the first three movements are reviewed for a final time while the Picardy third is expanded after the orchestra triumphantly plays a "modally altered" plagal cadence.Dvořák was interested in Native American music and the African-American spirituals he heard in North America.While director of the National Conservatory he encountered an African-American student, Harry T. Burleigh, who sang traditional spirituals to him.