Lonely Lullaby

The song is a tribute to Annmarie Monson, an ex-girlfriend of Young's, who he describes as the "most wonderful, beautiful woman" he knew.^[2] He stated that the track was a lot more "personal" to him.^[3]

"A lot of my songs are written purely from the imagination and some have no representation of my personal life, but 'Lonely Lullaby' was the first song I wrote almost entirely about something as personal as a romantic relationship... The song is, in fact, so personal, it almost hurts to listen to it now that such a perfect relationship has come to an end. I wasn't sure if I had something as 'genuine and pure' inside of me but the song basically wrote itself and I'm proud of it.^[3]

"Lonely Lullaby" is a melancholy-influenced piano ballad^[2] written and produced by Adam Young of Owl City. According to the digital sheet music published by Universal Music Publishing Group, the song was originally composed in the key of F♯ major and set in common time to a "flowing" tempo of 67, slowing down to 57,5 BPM at the end.^[4] "Lonely Lullaby" follows a chord progression of C♯ – G♯m – F♯ – C♯ – B – F♯ and Young's vocals span from a low note of C♯₃ to a high note of B₄.^[4]

In March 2011, an app titled Owl City Galaxy was launched, where fans could pre-order the album and access content such as an exclusive bonus track not included in the album, early access to concert tickets and merch.^[5] The bonus track was revealed to be "Lonely Lullaby", where fans could stream the song exclusively.^[6] It was officially released as a single on July 19, 2011.^[7] The song was included on All Things Bright and Beautiful as a bonus track.^[8]