Example image of eyePlorer eyePlorer map for 'Theodore Frelinghuysen Seward': 1835 1902 August 30 January 25 Florida, New York Lowell Mason New London, Connecticut New York City Rochester, New York Thomas Hastings (composer) Tonic sol-fa Fisk Jubilee Singers Mary C. Seward Benjamin Carl Unseld Don't Worry Spiritual (music) Timeline of music in the United States (1850–1879)