DVDs document the beginnings of a Fab phenomenon.(South Florida Sun-Sentinel)

Byline: Sean Piccoli

It is the screaming, more than the music, that tells you something extraordinary was happening when the Beatles first played on "Ed Sullivan."

Girls in the New York studio audience of "The Ed Sullivan Show" are screaming as they bounce out of their seats. Girls across the country were probably screaming, too, at their television sets. Some 73 million people saw these slim-suited rockers in their U.S. broadcast premiere on Feb. 9, 1964 _ D-Day for rock's British Invasion.

Less obvious, watching the first of the Beatles' four "Sullivan" appearances on a new DVD set, is a sense of the coming musical revolution. What you have at the …