16th: That's J-pop

16th: That's J-pop is the 16th studio album by the Japanese girl group Morning Musume '21. It was released in Japan on March 31, 2021.

Background
It is the first album to feature 15th generation members Rio Kitagawa, Homare Okamura and Mei Yamazaki and the last album to feature 10th generation member Masaki Satō, 13th generation member Kaede Kaga, and 14th generation member Chisaki Morito.

The album was released in two versions: Limited Edition (CD+DVD) and Regular Edition (CD). The Limited Edition includes a Blu-ray recording of a no audience live titled "Morning Musume '21 Mukankyaku Secret Live", and an interview of the members talking about the album.

Featured lineup

 * 9th generation: Mizuki Fukumura, Erina Ikuta
 * 10th generation: Ayumi Ishida, Masaki Sato
 * 11th generation: Sakura Oda
 * 12th generation: Miki Nonaka, Maria Makino, Akane Haga
 * 13th generation: Kaede Kaga, Reina Yokoyama
 * 14th generation: Chisaki Morito
 * 15th generation: Rio Kitagawa, Homare Okamura, Mei Yamazaki

Track listing
All tracks are written by Tsunku except #13 and #14.