"Brief Moment" is a song by Danish singer and songwriter Oh Land for her fifth studio album, Family Tree (2019). Oh Land wrote the song with her boyfriend Adi Zukanovic and the sole producer, Thomas Bartlett. It was released as the album's second single on 22 February 2019, through Tusk or Tooth Records, and coincided with the announcement of a promotional concert tour for the parent album. The recording process of the song was draining for Oh Land, who requested breaks during sessions to recover emotionally. It is a stripped-down chamber pop song with a piano-led production. Bartlett, Zukanovic, and Hungarian musician Peter Pejtsik all perform piano on the song.

"Human Error" is a song by Danish singer-songwriter Oh Land, taken from her fifth studio album Family Tree (2019). It was released as the album's lead single on 4 January 2019. It was written by the singer, Thomas Bartlett, and Adnan Zukanovic, with Bartlett serving as producer. The song was first revealed in December 2018 when she uploaded an acoustic version of the song to her YouTube account.