Matt Howden has been played on NTS shows including Nite Jewel, with Ginnungagap II first played on 2 November 2018.

Matt Howden is an English violinist that uses his own name for his solo neo-classical work, to separate it from his song-based material, which goes under the name of Sieben. To date he has released four albums. He has also worked with bands like Sol Invictus, :Of the Wand & the Moon:, Harvest Rain, and many others.