NTV will be airing their special music program, 'THE MUSIC DAY Ongaku no Chikara', on July 6 from 10:30 am to 10:54 pm. They have announced additional artists who will be appearing on the program.

At this time, 22 artists were announced. They are Cherish, TRF, TOKIO, Nakamura Masatoshi, Natsukawa Rimi, Nishida Toshiyuki, Nishino Kana, NEWS, Hana?Hana, Perfume, Hitoto Yo, V6, Fujii Fumiya, Hey! Say! JUMP, Porno Graffitti, Mike Maki, Makihara Noriyuki, Minami Kosetsu, Moritaka Chisato, Morita Kensaku, Yashiro Aki, and Yuzu. 

With this, a total of 55 artists are scheduled to perform. Even more artists are said to be added later.

Source: natalie