Question: Tim Rice worked with Elton John on a musical based on an opera by who?

Context paragraphs:
Aida (musical): Aida (also known as "Elton John and Tim Rice's Aida") is a musical based on the opera of the same name by Giuseppe Verdi.  It has music by Elton John, lyrics by Tim Rice, and book by Linda Woolverton, Robert Falls, and David Henry Hwang, and was originally produced by Walt Disney Theatrical.

Be Prepared (Disney song): "Be Prepared" is a song from the 1994 Disney animated film and the 1997 Broadway musical "The Lion King".  The song was composed by Tim Rice (lyrics) and Elton John (music) and originally performed by Jeremy Irons, Cheech Marin, Jim Cummings (who took over after Irons's voice gave out), and Whoopi Goldberg in the film and by John Vickery, Kevin Cahoon, Stanley Wayne Mathis, and Tracy Nicole Chapman in the original Broadway cast for the musical.

Circle of Life: "Circle of Life" is a song from Disney's 1994 animated film "The Lion King".  Composed by Elton John, with lyrics by Tim Rice, the song was performed by Carmen Twillie (the deep female lead vocals) and Lebo M. (opening Zulu vocals) as the film's opening song.  In an interview, Rice said he was amazed at the speed with which John composed: "I gave him the lyrics at the beginning of the session at about two in the afternoon.  By half-past three, he'd finished writing and recording a stunning demo."  Elton John sang a pop version (with alternative lyrics) of the song with the London Community Gospel Choir, which was included in the film's soundtrack and made into a music video.  "Circle of Life" was nominated for the Academy Award for Best Song in 1994, along with two other songs from "The Lion King": "Hakuna Matata" and "Can You Feel the Love Tonight" which won the award.

The Lion King (musical): The Lion King is a musical based on the 1994 Disney animated film of the same name with music by Elton John and lyrics by Tim Rice along with the musical score created by Hans Zimmer with choral arrangements by Lebo M.  Directed by Julie Taymor, the musical features actors in animal costumes as well as giant, hollow puppets.  The show is produced by Disney Theatrical Productions.

The Road to El Dorado: The Road to El Dorado is a 2000 American animated adventure musical fantasy comedy film produced by DreamWorks Animation.  It was directed by Eric "Bibo" Bergeron and Don Paul; Will Finn and David Silverman directed additional sequences.  The film stars Kevin Kline, Kenneth Branagh, Armand Assante, Jim Cummings, Edward James Olmos, Tobin Bell and Rosie Perez.  The soundtrack features songs by Elton John and Tim Rice, as well as composers Hans Zimmer and John Powell.

The Lion King (soundtrack): The Lion King: Original Motion Picture Soundtrack is the original motion picture soundtrack for the 1994 Disney animated film, "The Lion King".  It contains songs from the film written by Elton John and Tim Rice, and a score composed by Hans Zimmer.  Elton John has a dual role of performer for several tracks.  Additional performers include Carmen Twillie, Jason Weaver, Rowan Atkinson, Whoopi Goldberg, Jeremy Irons, Cheech Marin, Jim Cummings, Nathan Lane, Ernie Sabella, and Sally Dworsky.  The album was released on May 30, 1994 on CD and audio cassette.  The soundtrack was recorded in three different countries: the U.S., the U.K. and South Africa.  It is the best-selling soundtrack album to an animated film in the United States with over 7 million copies sold, with 4,934,000 copies sold in 1994.

Adam Pascal: Adam Pascal (born October 25, 1970) is an American actor, singer, and musician, known for his performance as Roger Davis in the original cast of Jonathan Larson's musical "Rent" on Broadway 1996, the 2005 movie version of the musical, and the Broadway Tour of "Rent" in 2009.  He is also known for originating the role of Radames in Elton John and Tim Rice's "Aida", for playing the Emcee from the 1998 revival of "Cabaret", and for playing Huey Calhoun in the Broadway Company of "Memphis".  Most recently, he played William Shakespeare in the Tony Award-winning musical "Something Rotten! "

The Madness of King Scar: "The Madness of King Scar" is a song written by composer Elton John and lyricist Tim Rice, which premiered in the musical "The Lion King", a stage adaptation of Disney's 1994 animated film of the same name.  Originally recorded and storyboarded for the movie, it was removed from the final version.  Media outlets believed the decision to exclude the song was based on its explicit references to sexuality.  "The Madness of King Scar" had been added to the musical along with two other songs.  It is one of two tracks that more prominently features vocals from the character Nala.  The title is a reference to the 1994 film "The Madness of King George".

Carmen Twillie (actress): Carmen Beth Twillie (born April 8, 1950) is a studio singer and actress.  She is a long-time friend of Tommy Morgan and has appeared as guest soloist with Morgan's choir.  She is best known for singing the Elton John and Tim Rice song "Circle of Life" in the beginning of the 1994 Disney animated feature "The Lion King".  She worked with Pink Floyd for their 1987 album, "A Momentary Lapse of Reason", providing additional voices.  She provided the singing voice of Stormella in "" in 1998 and she was a vocal singer in "Cats Don't Dance".

Tim Rice: Sir Timothy Miles Bindon "Tim" Rice (born 10 November 1944) is an English author and Academy Award, Golden Globe Award, Tony Award, and Grammy Award-winning lyricist.  He is best known for his collaborations with Andrew Lloyd Webber, with whom he wrote "Joseph and the Amazing Technicolor Dreamcoat", "Jesus Christ Superstar", and "Evita"; with Björn Ulvaeus and Benny Andersson of ABBA, with whom he wrote "Chess"; for additional songs for the 2011 West End revival of "The Wizard of Oz"; and for his work with Alan Menken on Disney's "Aladdin, Beauty and the Beast, and the musical King David").  He also worked with Elton John on Disney's "The Lion King", the musical "Aida", and DreamWorks Animation's "The Road to El Dorado" and Ennio Morricone.

Supporting paragraphs: Tim Rice Aida (musical)
Answer: Giuseppe Verdi