Hey! Say! JUMP’s ‘UMP’ Bows at No. 1 on Japan Hot 100
Hey! Say! JUMP‘s “UMP” shoots to No. 1 on the Billboard Japan Hot 100, dated Oct. 2, selling 221,762 CDs in its first week. The lyrics for the eight-member group’s 34th single was written by sumika’s Kenta Kataoka. The track was powered by physical sales (No. 1) and radio airplay (No. 6) and hits No….