Question: What is the name of the international company set up in 1977 by English composer and impresario of musical theatre whose well-known works include "The Phantom of the Opera" and "Jesus Christ Superstar"? 
Sentence (from "Andrew Lloyd Webber"): Ranked the "fifth most powerful person in British culture" by "The Telegraph" in 2008, the lyricist Don Black stated "Andrew more or less single-handedly reinvented the musical."
Relevant evidence: No