Question: Antti Hulkko is most famous for his role in a Finnish rock band formed in 1979, why did this band break up?

Context articles: Von Hertzen Brothers
Hassisen Kone
Andy McCoy
Hanoi Rocks
Matthau Mikojan
Antti Railio
Roadrunner (Hurriganes album)
Dingo (band)
The Phonies
Neljä Ruusua

Von Hertzen Brothers is a Finnish rock group formed in 2000, by three brothers.
 Their music is a mix of classic rock combined with progressive elements, folk, punk and contemporary rock.
 All members have a notable history in the Finnish rock scene, starting from the early 90’s.
 The guitar-vocalist has played in Don Huonot (1992-2003), the singer-guitarist is an ex-member of Egotrippi (1994-1998) and (1995-1998), and the vocalist-bass guitarist Jonne von Hertzen won the National Rock Contest in 1998 with his band Cosmos Tango and later joined to play the bass in ’s band (1999-2005).
 The band has two other permanent members, namely on the drums and Juha Kuoppala on the keyboards.
Hassisen Kone was a Finnish rock band, founded in 1979 in Joensuu.
 The young musicians rose to popularity in 1980 after winning the Finnish rock championship in the new wave category.
 They recorded three highly successful albums before disbanding in 1982.
 The singer/songwriter Ismo Alanko has led several bands since then and continues to be an influential name in Finnish rock music.
Antti Hulkko (born 11 October 1962), better known as Andy McCoy, is a Finnish musician.
 He is most famous for his role as the lead guitarist and main songwriter of Hanoi Rocks, but has also played with Iggy Pop.
Hanoi Rocks was a Finnish rock band formed in 1979.
 They were the first Finnish band to chart in the UK and they were also popular in Japan.
 The band broke up in June 1985 after the drummer Nicholas "Razzle" Dingley had died in a car accident during their first US tour in December 1984.
 Original vocalist Michael Monroe and guitarist Andy McCoy reunited in 2001 with a new line-up of Hanoi Rocks until 2009.
 Although musically closer to traditional rock n' roll and punk, Hanoi Rocks have been cited as a major influence in the glam metal genre for bands such as Guns N' Roses, Skid Row and Poison.
Matthau Mikojan (born Matti Mikkonen, March 26, 1982 in Tampere) is a Finnish rock musician, singer, guitarist and songwriter in a band named after him.
 In addition, he has thrown some gigs with a Finnish rock band called Black Jezus but he is not an official member of it.
 Instead, he plays guitar in another Finnish rock band named Don Skorleone & Consiglieres.
Antti Railio (born in Seinäjoki, Finland in 1984) is a Finnish rock and pop rock singer and vocalist in a number of Finnish bands, notably the power metal band Celesty, in addition to Diecell and The WildFire.
 After reaching the semi-finals in Finnish Idols (2007), and taking part in "Kuorosota" (Finnish version of "Clash of the Choirs"), he took part in The Voice of Finland (season 2) of the Finnish music competition The Voice of Finland carrying the title in the final held on 26 April 2013.
Roadrunner is an album released by the Finnish rock band Hurriganes in 1974.
 It is considered one of the most influential albums in Finnish rock music history.
 It was the best selling Finnish album in years 1974-1985 and has sold over 170 000 copies in Finland.
 The album was recorded in Stockholm, Sweden at Marcus Music studios.
 The album cover features the band members sitting on a backseat of a Cadillac in Ruskeasuo, Helsinki.
 The cover has been chosen many times as the best album cover in Finland.
Dingo is a Finnish rock band formed around 1982.
 They fused Finnish melancholy with catchy rock melodies.
 The band was led by the frontman Pertti Neumann (also known as Pertti Nieminen).
 For a few years of top success, Dingo was one of the most popular Finnish rock bands and caused a phenomenon called "Dingomania" all over Finland.
The Phonies are a Finnish rock band formed in Ykspihlaja, Kokkola in 2002.
 The band's members are vocalist Tom Stenman, guitarist Risto Lehtomaa, and bassist Pekka Hietalahti.
 The Phonies is coupled around the songwriting partnership of Tom Stenman and Risto Lehtomaa, who have been working together since the late 1980s.
 In addition to The Phonies, Stenman and Lehtomaa are known from the late Finnish guitar pop band called The Refreshments, which released a few singles and one album during the 1990s.
 Indie critics highly acclaimed The Refreshments attracted international attention and they made mini tour with UK indie band Mega City Four.
 The Refreshments broke up during the recording sessions of their second album.
 After a few years of musical separation this characteristic songwriter duo reunited in the form of The Phonies.
 The band developed a more organic musical style as they drifted away from the sound of power pop, helping to develop the characteristic rock sound which drew its strength from the 70's psychedelia and musical influences such as The Bevis Frond, Roky Erickson and Kevin Ayers.
 Stenman's lyrics are known for being whimsical and somewhat cryptic.
 Stenman's soul-searching and intense vocals combined to Lehtomaa's sense of the style and melody forms the core of The Phonies music.
Neljä Ruusua ("Four Roses") is a Finnish rock group formed in the city of Joensuu in 1982.
 The group consists of guitarist-singer Ilkka Alanko, guitarist Petteri Koistinen, bass guitarist Jari Laakkonen and drummer Kari Kämäräinen.
 Their style of music was influenced by punk in their earlier years, but changed over time to more conventional Finnish rock and pop music.
 The most popular albums of the band are "Haloo" (1992, "Hello") and "Pop-uskonto" (1993 "Pop-religion"), which bought the band to a great popularity.