Mary Poppins Returns: Behind the Magic

Viewers are given an inside look at the making of "Mary Poppins Returns," with interviews with stars Emily Blunt and Lin-Manuel Miranda.

La La La

When the silent cinema learned to speak, the audience was surprised not only by the voices of the actors and the sound effects, but also by a new element, the music, which, combined with the dance and an unprejudiced imagination, gave rise to a new genre, as important to Hollywood cinema as the western was: the musical. A journey through the history of this genre, from its beginnings to the present day.