'Music Core' CP Park Hyun Suk had apparently told Munhwa Ilbo in an exclusive interview on the 1st, "We will not allow people who are not equipped with the basics as a singer to perform on stage. Even if one's individual part is short, that is fine. The singers who perform on stage must sing." He pointed out that many MR tracks have 80-90% of the songs sang for them. He did say that he understood singing was hard while performing choreography, and that idols would not be expected to sing 100% live. Ultimately, he wanted singers on the show to perform at least 50% of the songs live.

SEE ALSO: 'Music Core' to possibly take measures against lip-synced idol stages

Supposedly in response, Ryeowook took to his Twitter to

What do you think about the decision and Ryeowook's reply?