Tobira no Muko he

"Tobira No Muko he" translated as "Beyond the Gate", sometimes called "Beyond The Door" supposedly from a mistranslation is the 2nd Ending Theme from the 2003 Fullmetal Alchemist Anime. It is performed by Yellow Generation (known as YeLLOW Generation in Japan), who was a female J-Pop trio signed under Sony Music Japan's DefSTAR Record label from 2002-2006. This song is one of their biggest hits to date.