Dvorak's New World Symphony (1893) is a seminal work in the history of American classical music, embedding the influence of the sorrow songs and of Longfellow's The Song of Hiawatha.
To see a visual presentation (by Horowitz and Peter Bogdanoff) for the Largo and the Scherzo, extrapolating Dvorak’s “American accent”:

To sample Peter Bogdanoff's visual rendering of the Hiawatha Melodrama created by Horowitz, Michael Beckerman, and Angel Gil-Ordoñez:

To sample the Horowitz/Bogdanoff “Dvorak and America” program for orchestras:
(To obtain the pertinent visual tracks, scripts, and scores, contact jh@josephhorowitz.com)