Lost!,” a new song by RM, the leader of K-pop superband BTS, has debuted atop iTunes Top Songs charts in 73 countries around the world, his agency said Saturday.

The title song of his second

The two-lead single album “How Sweet” by popular girl group NewJeans sold over 800,000 on its release day, Hanteo Chart, a local market tracker, said Saturday.

The album, dropped Friday, marks the girl group’s first