A-ha ("a-ha" in lower-case on their releases) were a Norwegian pop band formed in Oslo in 1982. The band was founded by Morten Harket, Magne Furuholmen, and Pål Waaktaar. The group initially rose to fame during the mid 1980s after being discovered by musician and producer John Ratcliff and had continued global success in the 1990s and 2000s.
A-ha achieved their biggest success with their debut album, Hunting High and Low, in 1985. That album peaked at number 1 in their native Norway, number 2 in the UK and number 15 on the U.S. Billboard album chart, yielded two international number-one singles, "Take On Me" and "The Sun Always Shines on T.V.", and earned the band a Grammy Award nomination as Best New Artist.
In 1994, after their fifth studio album, Memorial Beach which failed to achieve the commercial success of their previous albums, the band went on a hiatus.
Following a performance at the Nobel Peace Prize Concert in 1998, the band returned to the studio and recorded their sixth album, 2000's Minor Earth Major Sky, which was another number-one in Norway and resulted in a new tour. In 2009, the band announced they would split after a worldwide tour in 2010, the Ending On A High Note tour.
The band have sold over 36 million albums and 15 million singles worldwide.They have released nine studio albums, ten compilation albums, five extended plays, and thirty-nine singles.
A-ha's songs have been covered or sampled by several artists in many genres, including such varied as pop, rock, dance, electronica, country, goth rock, metal, Latin, techno, punk, jazz, folk, house, lullabies, classical-crossover and various instrumental versions.