In his 1997 book Rocking the Classics, critic and musicologist Edward Macan notes that In the Court of the Crimson King "may be the most influential progressive rock album ever released".
În cartea sa din 1997 Rocking The Classics, criticul/muzicologul Edward Macan spune că In The Court of The Crimson King „ar putea fi cel mai influent album de rock progresiv lansat vreodată”.