a-ha is a ban from Norway. They rose to fame during the 1980s, but continued to be globally successful in the 1990s and 2000s. a-ha has sold over 80 million albums and singles worldwide, making it by far the best-selling Norwegian group and the second best-selling band from Scandinavia, the best-selling is ABBA. a-ha's record sales amount to approximately sixteen times the entire Norwegian population.