At the Royal Majestic is an organ concerto by the American composer Terry Riley. The work was commissioned by the Los Angeles Philharmonic, the Orchestre de la Suisse Romande, and the Deutsches Symphonie-Orchester Berlin. Its world premiere was given by the organist Cameron Carpenter and the Los Angeles Philharmonic under the direction of John Adams at the Walt Disney Concert Hall on April 11, 2014.