2112: The Birth of Doraemon (2112年 ドラえもん誕生, 2112 Nen Doraemon Tanjō) is a short film about the life of Doraemon from birth, before coming to Nobita.The short film is sort of a prequel to the entire series, it showed the life of Doraemon before traveling to the 20th century: How he was made, how he was partially broken, how he lost his ears, how he met the Nobi family and decides to return to the past to help Nobita. It premiered on March 4, 1995 in Japan, sharing the same bill with Doraemon: Nobita's Genesis Diary. The original movie was made in order to understand the initial setup of the Doraemon Manga.The background music for this short film was composed by veteran music composer Shinji Miyazaki, who is better known for composing the background music for the Pokémon TV series. He also did another anime by Shin-Ei Animation called Crayon Shin-chan. Shinji Miyazaki tends to use stringed instruments and French horns as well as the alto glockenspiel in his compositions.