曲谱简介：

Forgotten Sorrow is the theme song of "Aion: The Tower of Eternity" (Korean: 아이온: 영원의 탑), known also as The Tower of AION (タワー オブ アイオン?) in Japan, which  is a massively multiplayer online role-playing game (MMORPG) released by NCsoft, a major Korean game developer. The game combines PvP and PvE (a concept the developers call PvPvE) in a fantasy game environment. As of May 20, 2009, Aion has 3.5 million subscribers in Asia. AIONs first major expansion pack was released to North America and Europe on September 7, 2010 under the name AION: Assault on Balaurea. On February 29, 2012 AION became free-to-play on Europe with a limited set of options regarding gathering, trade and chat, while North American -to-play launched on April 11, 2012 with no such restrictions. "Forgotten Sorrow" is well known by people and if you like it, you can also download free Forgotten Sorrow sheet music to play with Everyone Piano. Just Enjoy It!