Korean boy-band BTS sold 2,6 million copies of new album, before it even came to stores

South Korean pop boy-band BTS has reportedly already sold over 2,6 million copies of it's new album 'Map of the Soul: Persona'. The septet’s upcoming album is said to have achieved this feat within five days of going on-sale March 13 for pre-orders ahead of its release on April 12, Billboard reports.