[PAR] [TLE] 1X1=1 (To Be One) [SEP] 1X1=1 (To Be One) (also known as 1×1=1 or To Be One) is the debut extended play by South Korean boy group Wanna One, a project group created through the 2017 Mnet survival show, "Produce 101 Season 2", composed of eleven trainees from different entertainment companies that will promote for 18 months under YMC Entertainment.  The album was released digitally and physically on August 7, 2017 by YMC Entertainment, Stone Music Entertainment and CJ E&M Music.  A Japanese version of the album was released on September 27, 2017 through Pony Canyon. [PAR] [TLE] Produce 101 Season 2 [SEP] Produce 101 Season 2 () is a 2017 boy group survival reality show on Mnet.  It is a large-scale project in which the public (called 'national producers') "produces" a boy band by choosing 11 members among 101 trainees from 54 entertainment companies.  The public also chooses the group's concept, debut song, and group name.  On June 16, 2017, the season finale was broadcast live, announcing the final 11 members who would debut, as well as the official group name Wanna One.
[PAR] [TLE] 1X1=1 ( To Be One ) [ SEP ] 1X1=1 ( To Be One ) ( also known as 1×1=1 or To Be One ) is the debut extended play by South Korean boy group Wanna One , a project group created through the 2017 Mnet survival show , " Produce 101 Season 2 " , composed of eleven trainees from different entertainment companies that will promote for 18 months under YMC Entertainment . The album was released digitally and physically on August 7 , 2017 by YMC Entertainment , Stone Music Entertainment and CJ E&M Music . A Japanese version of the album was released on September 27 , 2017 through Pony Canyon . [PAR] [TLE] Produce 101 Season 2 [ SEP ] Produce 101 Season 2 ( ) is a 2017 boy group survival reality show on Mnet . It is a large - scale project in which the public ( called ' national producers ' ) " produces " a boy band by choosing 11 members among 101 trainees from 54 entertainment companies . The public also chooses the group 's concept , debut song , and group name . On June 16 , 2017 , the season finale was broadcast live , announcing the final 11 members who would debut , as well as the official group name Wanna One .
When was the band of the extended play To Be One officially announced?
When was the band of the extended play To Be One officially announced ?
June 16, 2017
June 16, 2017