On 21 February 2018, bo en was a guest on BONE SODA ノノ; and on 4 September 2014 was a guest on BONE SODA ノノ. bo en has been played on NTS shows including Corin, with Be Okay (With Avec Avec) first played on 19 April 2014.

Calum Bowen, better known online as bo en, is an English musician and video game producer known for making soundtracks of games, most notably, OMORI. He is also known for his debut album, Pale Machine. In the album, it includes My Time, the song featured in OMORI.

On November 21, 2023, in honor of the 10th anniversary of Pale Machine, he released Pale Machine 2.