Fans and netizens are convinced that Seventeen members have smooth live performance in their recent Music Bank stage for "Pretty U".

In an MR Removed version, fans are impressed that all the boys are singing clearly making their singing sounds like it's coming from CDs thus they comment "Stop eating CDs Seventeen!","Wow! Even the Chinese members have improved and singing live!" "Everyone has improved a lot!","I thought they are lip-syncing this one." "Even the members who have only one line is singing powerfully!","No hole in this group of 13 talented boys!"

Fans also praise Seungkwan's flawless 4-octaves! Listen below: