All of Moreschi's recordings were made in Rome in two sets of recording sessions for the Gramophone & Typewriter Company. The first series of recordings were made on 3 and 5 April 1902 by Fred Gaisberg and Will Gaisberg. Eighteen usable sides by the members of the Sistine Chapel Choir were captured on wax, four of them solos by Moreschi. Decades later Fred Gaisburg recalled making these historic first recordings in the Vatican: "Selecting a great salon with walls covered with Titians, Raphaels, and Tintorettos, we mounted our grimy machine right in the middle of the floor." The second set of recordings were made in Rome in April 1904, under the direction of W. Sinkler Darby.