American GramaphoneAmerican Gramaphone is an American record company based in Omaha, Nebraska. It is best known for releasing Chip Davis's new age solo and Mannheim Steamroller albums.HistoryAmerican Gramaphone, formed in 1974 by Chip Davis, has released solo albums by the Mannheim Steamroller musicians Jackson Berkey and Ron Cooley, as well as by the bands America, John Denver, and Checkfield. It publishes not only recordings but also musical compositions, including all of Davis's own ), and is a SESAC affiliate.