Morten Harket has revealed he has Parkinson’s disease. The singer of a-ha, the band behind the 1985 hit and innovatively animated music video “Take On Me, ” shared the news during an interview with the group’s biographer.

Harket, best known for his band’s infectious 1985 synth-pop hit “Take on Me,” revealed his illness in an interview on a-ha’s website.

After battling Parkinson's disease for some time in private, A-ha‘s Morten Harket is now sharing his diagnosis with the public. By way of a letter written by the band's biographer, Jan Omdahl, the singer broke the news to fans that he has been receiving treatment for the neurological disorder "in recent years,