Various Hanna's can be separated by other tags: Hanna Pakarinen from Finland. Hanna Muren from Norway. Hanna Hedlund from Sweden. 1) US house/techno producer Hanna, real name Warren Harris is an incredibly prolific producer and multi-instrumentalist from Cleveland, Ohio who has released a string of consistently respected singles and albums over the past few years. Between 1999 and 2002, he released four full-length albums as Hanna (Severance, Scarlet Manifesto, Amen, and Contemplating Jazz) that have stretched and blurred the boundaries of house, techno and Jazz.