"Rodeo" scene 1 by American Ballet Theatre
First choreographed Musical Theatre. Link to biographical information:
http://www.agnesdemilledances.com/biography.html
America's Irreplaceable Dance Treasures: The First 113 provides information on the full range of American dance artistry, forms, and traditions. Includes some videos.
This companion to the text Voice Onstage and Off analyzes voice using nine categories: tempo, rhythm, articulation, pronunciation, pitch, volume, quality, word choice, and non-verbals.