As production gets underway on the sequel to the cult classic ‘This is Spinal Tap,’ Castle Rock Entertainment has announced that Elton John, Paul McCartney, Questlove, Garth Brooks and Trisha Yearwood will take cameo spots.

Rob Reiner takes on the director’s chair and Christopher Guest, Michael McKean and Harry Shearer all reprising their iconic roles as the legendary heavy metal band, Spinal Tap. Reiner will also return as the documentarian Martin “Marty” DiBergi.

Guest, McKean, Reiner, and Shearer conceived the sequel, which after a 15-year hiatus, has England’s loudest and most punctual band, reuniting for one final concert.

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The film is being produced by Reiner, Michele Reiner and Matthew George and financed under the Castle Rock Entertainment banner.  Christopher H. Warner and Derrick Rossi serve as executive producers.

Reiner said “I recently spoke to Marty DiBergi who said that he was more than happy to take a sabbatical from his position as a visiting Professor’s Assistant at the Ed Wood School of Cinematic Arts to once again document Spinal Tap to ensure their place in the pantheon of Rock and Roll.”

The original movie was released to critical acclaim in 1984 and went on to become a cult classic. In 2002, it was deemed “culturally, historically, and aesthetically significant” by the Library of Congress, and was selected for preservation by the National Film Registry.