Please answer the following question: Information:  - Death Organ is a Swedish progressive rock/death metal band led by keyboardist Per Wiberg, who also played keyboards for the Swedish progressive death metal band Opeth and for Michael Amott's stoner metal band Spiritual Beggars. The band's sound is unusual for the heavy metal music genre, as they use no guitars: the band's main instrument is the Hammond organ, played through a guitar amplifier and distortion effects. The vocal style is a mix between clean vocals and death growls.  - Arch Enemy is a Swedish melodic death metal band, originally a supergroup, from Halmstad, formed in 1996. Its members were in bands such as Carcass, Armageddon, Carnage, Mercyful Fate, Spiritual Beggars, Nevermore, and Eucharist. It was founded by Carcass guitarist Michael Amott along with Johan Liiva, who were both originally from the influential death metal band Carnage. The band has released nine studio albums, two live albums, three video albums and three EPs. The band was originally fronted by Johan Liiva, who was replaced by German Angela Gossow as lead vocalist in 2000. Gossow left the band in March 2014 and was replaced by Canadian Alissa White-Gluz, while remaining as the group's manager.  - Christopher Amott (born 23 November 1977) is a Swedish guitarist and vocalist, younger brother of Michael Amott and founding member of the Swedish metal bands Arch Enemy and Armageddon.  - Borlänge Municipality ("Borlänge kommun") is a municipality in Dalarna County in central Sweden, with an area of 586.4 km². The municipality has a population of 47,640 (2007). The municipal seat is Borlänge.   - Michael Amott (born 28 July 1970) is a Swedish guitarist, songwriter, founding member of the bands Arch Enemy, Spiritual Beggars, and Carnage, as well as a former member of the grindcore band Carcass. He is the older brother of Christopher Amott. Some major influences in his music have been Tony Iommi, Michael Schenker, Uli Jon Roth and Dave Mustaine.  - Michael Schenker (born Michael Willy Schenker, 10 January 1955) is a German rock guitarist, best known for his tenure in UFO, in addition to his solo band. Nicknamed the "Blonde Bomber", he first rose to fame as an early member of Scorpions, then achieved fame in the mid-1970s as the lead guitar player for UFO. Since leaving UFO in 1978, he has been leading the Michael Schenker Group in various incarnations. He has rejoined UFO three times, producing an album each time. He is the younger brother of Rudolf Schenker, who is still a guitarist with Scorpions. His career has had many ups and downs, partly due to a long history of alcoholism and personal problems; still, Schenker continues to perform and record. He has been called "a legendary figure in the history of metal guitar."  - Borlänge is a locality and the seat of Borlänge Municipality in Dalarna County, Sweden, with 41,734 inhabitants in 2010.  - Stockholm (or ) is the capital of Sweden and the most populous city in the Nordic countries; 932,917 people live in the municipality, approximately 1.5 million in the urban area, and 2.3 million in the metropolitan area. The city is spread across 14 islands on the coast in the southeast of Sweden at the mouth of Lake Mälaren, by the Stockholm archipelago and the Baltic Sea. The area has been settled since the Stone Age, in the 6th millennium BC, and was founded as a city in 1252 by a Swedish statesman Birger Jarl. It is also the capital of Stockholm County.  - Per Jonas Wiberg (born 8 June 1968 in Borlänge) is the former keyboardist of Swedish progressive death metal band Opeth, and a member of Michael Amott's stoner metal band Spiritual Beggars. Wiberg toured with Opeth from the 2003 "Deliverance"/"Damnation" tour onward, and joined Opeth officially in 2005. Wiberg provided backing vocals for Opeth in addition to his keyboard duties. Before joining Spiritual Beggars he was a member of Death Organ, a band based in Borlänge. He has also fronted the band Boom Club, of the same area.  - Opeth is a Swedish heavy metal band from Stockholm, formed in 1989. The group has been through several personnel changes, but singer, guitarist and songwriter Mikael Åkerfeldt has remained Opeth's primary driving force throughout the years. Opeth has consistently incorporated progressive, folk, blues, classical and jazz influences into its usually lengthy compositions, as well as strong influences from death metal, especially in their early works. Many songs include acoustic guitar passages and strong dynamic shifts, as well as both death growls and clean vocals. Opeth is also well known for their incorporation of Mellotrons in their work. Opeth rarely made live appearances supporting their first four albums; but since conducting their first world tour after the 2001 release of "Blackwater Park", they have led several major world tours.  - Spiritual Beggars is a stoner metal band from Halmstad, Sweden, formed by Michael Amott, who is known from Arch Enemy, Carcass and Carnage. The band is heavily influenced by 1970s hard rock and incorporates elements of psychedelia into its music.  - Halmstad is a port, university, industrial and recreational city at the mouth of Nissan in the province of Halland on the Swedish west coast. Halmstad is the seat of Halmstad Municipality and the capital of Halland County. The city had a population of 92,797 in 2012, out of a municipal total of over 90,000 (18th most populous - 2012). Halmstad is Sweden's 20th-largest city by population and located about midway between Gothenburg (the second most populous) and Malmö (the third). It is Europe's northernmost city with a lot of timber framing architecture.  - Anthony Frank "Tony" Iommi (born 19 February 1948) is an English guitarist, songwriter and producer. He is the lead guitarist and founding member of the heavy metal band Black Sabbath, and has been the band's sole continual member and primary composer.  - David Scott "Dave" Mustaine (born September 13, 1961) is an American musician, singer, songwriter, actor and author. He is best known as the co-founder, guitarist, and lead singer of the American thrash metal band Megadeth, and the original lead guitarist of the American thrash metal band Metallica.  - Per Jonas Wiberg ( born June 8 , 1968 ) is the former keyboardist of Swedish progressive death metal band Opeth , and a member of Michael Amott 's stoner metal band Spiritual Beggars . Wiberg toured with Opeth from the 2003 Deliverance / Damnation tour onward , and joined Opeth officially in 2005 . Wiberg provided backing vocals for Opeth in addition to his keyboard duties . Before joining Spiritual Beggars he was a member of Death Organ , a band based in Borlänge . He has also fronted the band Boom Club , of the same area . He played the keyboard in the intro to `` Enemy Within '' by the melodic death metal band Arch Enemy . He has also played piano on Swedish progressive rock band Anekdoten 's 1993 release Vemod . In 2007 , Per Wiberg collaborated on a project called King Hobo with Clutch drummer Jean - Paul Gaster and Kamchatka guitarist Thomas Andersson . It was announced on April 6 , 2011 that Per was leaving Opeth as part of a mutual decision between him and the other band members . Since 2012 Per has been a live musician for the Swedish doom metal band Candlemass as well as joining Swedish band Switchblade on selected dates as a keyboard player . In 2013 Per joined Swedish trio Kamchatka as a bass player and full - time member . He plays on the Kamchatka album The Search Goes On , released by Swedish label Despotz in February 2014 .  - Blackwater Park is the fifth studio album by Swedish band Opeth. It was released on February 27, 2001, through Music for Nations and Koch Records. The album marks the first collaboration between Porcupine Tree frontman Steven Wilson and the band, as Wilson had been brought in to produce the album, which led to a considerable shift in Opeth's musical style.  - Lars Mikael Åkerfeldt (born 17 April 1974) is a Swedish musician, prominently known as the lead vocalist, guitarist, and primary songwriter of progressive death metal band Opeth, as well as being the former vocalist of death metal supergroup Bloodbath. He was also guitarist for the "one-off" band Steel, and is part of the collaboration Storm Corrosion with Steven Wilson.  - Sweden, officially the Kingdom of Sweden (Swedish: ), is a Scandinavian country in Northern Europe. It borders Norway to the west and Finland to the east, and is connected to Denmark in the southwest by a bridge-tunnel across the Öresund. At , Sweden is the third-largest country in the European Union by area, with a total population of 10.0 million. Sweden consequently has a low population density of , with the highest concentration in the southern half of the country. Approximately 85% of the population lives in urban areas.  - Uli Jon Roth (born Ulrich Roth, 18 December 1954) is a German guitarist, who became famous as the Scorpions lead guitarist, and is one of the earliest contributors to the neoclassical metal genre. He is also the founder of Sky Academy and inventor of the Sky Guitar. He is the older brother of fellow guitarist and artist Zeno Roth.  - The Hammond organ is an electric organ, invented by Laurens Hammond and John M. Hanert and first manufactured in 1935. Various models have been produced, most of which use sliding drawbars to create a variety of sounds. Until 1975, Hammond organs generated sound by creating an electric current from rotating a metal tonewheel near an electromagnetic pickup, and then strengthening the signal with an amplifier so that it can drive a speaker cabinet. Around two million Hammond organs have been manufactured. The organ is commonly used with, and associated with, the Leslie speaker.    After reading the paragraphs above, we are interested in knowing the entity with which 'per wiberg' exhibits the relationship of 'date of birth'. Find the answer from the choices below.  Choices: - 1  - 10  - 10 january 1955  - 1252  - 17 april 1974  - 18  - 18 december 1954  - 19  - 19 february 1948  - 1935  - 1948  - 1955  - 1961  - 1968  - 1970  - 1975  - 1978  - 1989  - 1996  - 2000  - 2001  - 2003  - 2007  - 2010  - 23  - 27  - 28  - 41  - 586  - 797  - 8  - 8 june 1968  - 90  - 932  - december 1954  - february 1948  - january 1955
A:
8 june 1968