BTS has a big reason to be on cloud nine as their latest outing, Map of the Soul: 7 is tasting sweet success on a global scale Besides reaching #1 on the US, the UK, Japan and Germany charts, the K-pop band made history by having four of their albums, including 7, standing atop of the Billboard 200 chart. Furthermore, the lead single of 7 titled ON found an impressive place in the Billboard Top 100 Songs chart at #4.