Answer the following question: Information:  - Spellemannprisen, often referred to as the Norwegian Grammy Awards in English, is a Norwegian music award presented to Norwegian musicians. The award was established by the International Federation of the Phonographic Industry (IFPI), an organization that represents the interests of the recording industry worldwide. First awarded in 1973, the prize honours musicians from the previous year; it is still awarded annually. The Spellemann committee, composed of members of IFPI Norway and , manages the award and acts as the judge. Twenty-one categories are currently awarded and the committee may award additional honorary and industry awards.  - The International Federation of the Phonographic Industry (IFPI) is the organisation that represents the interests of the recording industry worldwide. It is a non-profit members' organisation registered in Switzerland and founded in Italy in 1933. It operates a Secretariat based in London, with regional offices in Brussels, Hong Kong and Miami.  - Jan Axel `` Hellhammer '' Blomberg ( born August 2 , 1969 ) is a Norwegian heavy metal drummer . He is best known as the drummer of Mayhem , which he joined in 1988 . In 1987 Blomberg formed the avant - garde black metal band Arcturus ( under the name Mortem ) with Steinar Sverd Johnsen , which broke up in April 2007 and reunited in 2011 . He named himself after the Swiss extreme metal band Hellhammer . Praised as a talented musician , Blomberg is a three - time winner of the Spellemannprisen award .    After reading the paragraphs above, choose the best answer for the entity that related to 'jan axel blomberg' with the relationship of 'country of citizenship'.  Choices: - italy  - london  - norway  - switzerland
Answer:
norway