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"? 

Josh Young is an American stage actor.  Young had performed in several shows in the Stratford Festival, including "The Grapes of Wrath" (Connie), "Evita" (Che), and "Kiss Me Kate" (Paul).  For his role as Che in "Evita", he won the Broadway World Toronto Award for Best Actor in a Musical.  He also played Marius in a tour of "Les Misérables".  Young was raised in Wallingford, Pennsylvania, and his family is Conservative Jewish.  He trained at the Pennsylvania Governors School for the Arts and holds a B.F.A. in Musical Theatre from Syracuse University.  Young played the role of Judas in the revival of "Jesus Christ Superstar" from 2011-2012, for which he was nominated for the Tony Award for Best Featured Actor in a Musical.  On May 8, Young won the Theatre World Award for an outstanding Broadway debut performance. <SEP>  It is involved in theatre, film, television, video and concert productions, merchandising, magazine publishing, records and music publishing.  The name is inspired by a phrase from the children's book series "The Railway Series" in which Thomas the Tank Engine and other locomotives are referred to as "Really Useful Engines". The Really Useful Group Ltd. (RUG) is an international company set up in 1977 by Andrew Lloyd Webber. <SEP>  Several of his musicals have run for more than a decade both in the West End and on Broadway. Andrew Lloyd Webber, Baron Lloyd-Webber (born 22 March 1948) is an English composer and impresario of musical theatre.  He has composed 13 musicals, a song cycle, a set of variations, two film scores, and a Latin Requiem Mass.  Several of his songs have been widely recorded and were hits outside of their parent musicals, notably "The Music of the Night" from "The Phantom of the Opera", "I Don't Know How to Love Him" from "Jesus Christ Superstar", "Don't Cry for Me, Argentina" and "You Must Love Me" from "Evita", "Any Dream Will Do" from "Joseph and the Amazing Technicolor Dreamcoat" and "Memory" from "Cats".  In 2001 the "New York Times" referred to him as "the most commercially successful composer in history".  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." <SEP> Gary Mauer is an actor who most recently starred in the third national tour of "The Phantom of the Opera" playing the role of the Phantom.  On Broadway, Gary starred as Raoul, Vicomte de Chagny in "Phantom" and played the role of Enjolras in "Les Misérables".  He has also appeared in numerous regional shows, including playing Jesus in "Jesus Christ Superstar".  From April 30, 2007 through May 19, 2007, Gary filled in for Howard McGillin, the actor who formerly played The Phantom in "Phantom", on Broadway.  Gary has a B.F.A in Musical Theater from the University of Arizona in Tucson, and currently resides in New Jersey with his wife, actress Elizabeth Southard, and his two children: Nicholas and Eden.  He can be heard on several CDs, including "Bravo Broadway" and Broadway's "Fabulous Phantoms".  In 2007, he recorded his own album, "This Is the Moment", which includes "The Music of the Night", from "The Phantom of the Opera", and "Bring Him Home", from "Les Misérables".  Gary is a lyric tenor who can currently be seen as part of the "Bravo Broadway" series in concerts throughout the United States with various symphonies.