The Wiz, which took home seven 1975 Tony Awards, starred Stephanie Mills in the role of Dorothy. The musical was later adapted into a 1978 feature film. A Broadway revival was produced in 1984, and an Encores! engagement ran in 2009. For more on The Wiz, visit the Playbill Vault.
Ross in concert:
Audio of Barbra Streisand:
Houston in concert:
Nikki Renee Daniels:
Kristin Chenoweth's version on "Glee":