Mojo Review: Union of Knives - Violence and Birdsong font size decrease font size increase font size This is a debut album rich in its Diversity. Union of Knives - Violence and Birdsong This is a debut album rich in it's diversity. They can switch from U2 stadium bombast to weird Aphex Twin electronica with no contradiction. Mojo, 4/5 Rate this item 1 2 3 4 5 (0 votes) Tweet