caption years_active label article_title name background birth_date instrument genre image origin birth_name occupation
koop arponen at kotka concert hall 9.11.2012 2008 & ndash ; present sony music -lrb- 2008 & ndash ; 2010 -rrb- koop arponen
 koop arponen solo_singer 20 april 1984 vocals , guitar , piano pop rock koop arponen.jpg lappeenranta , finland koop juho alexander arponen singer , songwriter
koop arponen

koop juho alexander arponen -lrb- born 20 april 1984 in lappeenranta , finland -rrb- is a finnish singer and the winner of the fourth series of the `` idols '' in 2008 .
