When a-ha's breakthrough hit "Take on Me" shot to #1 on the Billboard charts in 1985, it turned its three young band members into global superstars overnight. While the iconic song and its groundbreaking music video remain ubiquitous to this day, the story of a-ha didn't end there. After 35 years, a deep catalog of 11 studio albums and 55 million units sold – despite controversies and disagreements – a-ha continues to record music and play to packed arenas around the world.