Jumping Off Point

Vaudeville.  How can I describe this amazing variety show?  Do you know how many famous performers got started OR used this as a jumping off point to more famous paths?  Fred Astaire, Buster Keaton, Abbott and Costello, Harry Houdini, Drew Barrymore's famous family, Charlie Chaplin, Ella Fitzgerald, Henry Fonda, Judy Garland, George Gershwin... I could go on and on.  It was like SNL, American Idol, and Do You Think You Can Dance rolled into one and without the petty competition.  Really, it is just SO interesting and fun.  This one was filmed in 1928.  It's a little wild but fun.