Question: Which composer created Requiem which was commissioned by Soli Deo Gloria for the 2003 bicentennial of the birth of French composer Hector Berlioz?

Context paragraphs:
Hector Berlioz: Louis-Hector Berlioz (] (English: ); 11 December 1803 – 8 March 1869) was a French Romantic composer, best known for his compositions "Symphonie fantastique" and "Grande messe des morts" (Requiem).  Berlioz made significant contributions to the modern orchestra with his "Treatise on Instrumentation".  He specified huge orchestral forces for some of his works, and conducted several concerts with more than 1,000 musicians.  He also composed around 50 songs.  His influence was critical for the further development of Romanticism, especially in composers like Richard Wagner, Nikolai Rimsky-Korsakov, Franz Liszt, Richard Strauss, and Gustav Mahler.

Soli Deo gloria (disambiguation): Soli Deo gloria is a Latin term for "Glory to God alone", used in a Christian context.

Abba Estifanos of Gwendagwende: Abba Estifanos (English Translation: Father Stephen) was an Ethiopian Christian monk, itinerant preacher and martyr who is known for his reformation movement and as an early dissident of the Ethiopian Orthodox Church and Emperor Zara Ya'iqob in the 15th century.  His followers were known as Stephanites and were known for advocating "sola gratia" (salvation by grace alone through faith, not of works), "soli Deo gloria" (veneration to God alone and not to religious icons and saints) and for their asceticism.  Over the course of a century of persecution by clergy and five consecutive kings following Zara Ya'iqob, membership in the Stephanites movement dwindled and vanished.

Reformed Church in the United States: The Reformed Church in the United States (RCUS) is a Protestant Christian denomination in the United States.  The present RCUS is a conservative, Calvinist denomination.  It affirms the principles of the Reformation: Sola scriptura (Scripture alone), Solo Christo (Christ alone), Sola gratia (Grace alone), Sola fide (Faith alone), and Soli Deo gloria (Glory to God alone).  The RCUS is most heavily concentrated in California, Colorado, and South Dakota.

Requiem (Rouse): Requiem is a composition for solo baritone, children's choir, chorus, and orchestra by the American composer Christopher Rouse.  The piece was commissioned by Soli Deo Gloria for the 2003 bicentennial of the birth of French composer Hector Berlioz.  It was completed July 12, 2002 and premiered March 25, 2007 at the Walt Disney Concert Hall in Los Angeles, with conductor Grant Gershon leading the Los Angeles Master Chorale and their orchestra, the Los Angeles Children's Chorus, and baritone solo Sanford Sylvan.

The Old-Timers (band): The Old-timers is a South African Christian hardcore band that primarily plays hardcore punk and punk rock.  The band started making music in 2011, and their members currently consist of vocalist, xDave Old-Timerx, with guitar noises by Don Old-timer and drum thumping by Phil Old-timer (Who also drums for False Idle).  They signed to Thumper Punk Records for their first studio album, "Soli Deo Gloria", which was released in 2012 by Thumper Punk Records alongside Veritas Vinyl.  They are the first South African Christian punk band to be signed to an American record label.  Since then, they have released two extended plays, "Spiritus Sanctus", in 2013, and, "Be Reconciled", in 2014, with Thumper Punk Records alongside Veritas Vinyl.

Soli Deo Gloria (album): Soli Deo Gloria is the first studio album by Norwegian futurepop band Apoptygma Berzerk.  It was originally released in 1993 and gained the band attention the world over.  It had been out of print for years until it was remastered and reissued in 2003 by Tatra Records and then again in 2007 as a digital release.  It was re-issued as a deluxe remaster edition with a digipak cover in 2008.

Comunhão Reformada Batista do Brasil: Comunhão Reformada Batista do Brasil was founded in June 10, 2004, by individuals from different denominations and subscribes the in Petrolândia, Pernambuco and subscribes the 1689 Baptist Confession of Faith in Brazil.  It is a federation of churches.  The 6th Congress of the Communion of Reformed Baptists in Brazil was held in 2011.  Theologically Reformed, but practices credobaptism.  It subscribes the Five Solas, Sola Scriptura, Solus Christus, Soli Deo Gloria, Sola Fide, Sola Gratia.

Mémoires (Berlioz): The Mémoires de Hector Berlioz are an autobiography by French composer Hector Berlioz.  First serialised in several contemporary journals including "Journal des Débats" and "Le Monde Illustré", their compilation into one book was completed on New Year's Day, 1865 and after much proof-reading, an initial printing of 1200 was carried out in July.  After distributing some copies to certain friends, they were put aside until Berlioz died.  After Berlioz's death in 1869, they were published in 1870.  They provide an extremely colourful, if biased, account of Berlioz's life, and are invaluable to anyone with an interest in the artistic life of the time.

Soli Deo Gloria (record label): Soli Deo Gloria is a British record label which releases recordings of the Monteverdi Choir and other ensembles conducted by Sir John Eliot Gardiner.  It was founded in order to release recordings made during the Bach Cantata pilgrimage that took place in the year 2000.  According to its website, the name "Soli Deo Gloria" is drawn from the initials that Johann Sebastian Bach appended at the end of each of his cantatas, dedicating them to the "glory of God alone".

Supporting paragraphs: Requiem (Rouse) Hector Berlioz
Answer: Christopher Rouse