It's actually called "Lullaby of a Perjurer ~ Farewell Version", but it couldn't fit on the title. Anyways, this song was composed by me and sung by the talented singer Silversoulbird from Youtube for The Perjurer series.
Song: Lullaby of a Perjurer ~ Farewell Version
Composer: Johnathan Johnson / ProjectTrinity
Album: The Perjurer - Vocal Collections
For more songs, feel free to visit my channel on Youtube. It's ProjectTrinity there as well. ^_^