Born in Beaumont, Texas, USA, to two classical musicians; her mother is a violinist, her father, a trumpet player, jazz bassist and professor of music.
Arban is married to Steven Severin (former bassist/songwriter with Siouxsie and the Banshees and latterly film and theatre score composer) by whom she has had a son, Cage.
Formerly the singer and a musician in the band Darling Hate, she is now credited as the co-producer (with her husband) of the soundtrack derived album "London Voodoo" (the original soundtrack to the British independent supernatural thriller) and joint composer, again with her husband, of Beauty and the Beast; a score originally created for performances by dancer/choreographer Shakti.
Arban and Steven Severin's soundtrack for the film Nature Morte, was released on their Subconscious music label on 16 October 2006.
Previously an actress, notably with the independent US film company Troma, as Arban Ornelas, she has also portrayed the popular comic book character "Vampirella".