Curated OER
The Choir
In this music worksheet, students read an excerpt about the choir, the oldest of all musical groups. They identify that human voices vary in pitch, some high and some low, making it possible to sing harmonies in different layers.
Library of Congress
Loc: Song of America
Commemorates the history of the American song featuring reowned baritone Thomas Hampson. See first editions of sheet music, information on the songs and their authors as well as sound recordings.
Lumen Learning
Lumen: Music Appreciation: Vocal Types and Ranges
This resource explains the six vocal ranges and the qualities which make individual voices within the ranges different. There is a video lecture and some associated videos of professional singers with the different voice ranges.
Other
I'm From New Jersey: State Song for Baritone Horn
Sheet music for the New Jersey State March called "I'm From New Jersey".