BTS’ *ARIRANG* debuts at No. 1 on the Billboard 200 albums chart (dated April 4), scoring the reunited pop group its seventh leader. The set opens with 641,000 equivalent album units earned — the largest week for an album by a group since the chart began measuring by units in December 2014. Of that sum, 532,000 are in pure album sales (purchases of physical and digital albums), landing BTS the biggest sales week for an album by a group in more than a decade. Related BTS’s ‘Arirang’: All 14 Tracks Ranked BTS Shine With Slick Performance of ‘2.0’ For ‘Tonight Show’: Watch 7 Things We Learned From BTS’ ‘The Return’ Documentary *ARIRANG* follows BTS’ previous No. 1s *Proof* (2022), *BE* (2020), *MAP OF THE SOUL : 7* (2020), *MAP OF THE SOUL : PERSONA* (2019), *Love Yourself ‘Answer’ *(2018) and *Love Yourself ‘Tear’* (2018). Also in the top 10 of the latest Billboard 200 chart, Luke Combs captures his seventh top 10 set, as *The Way I Am* bows at No. 2.…