EXO and f(x) covered past hits by their SM Entertainment sunbaes for very special performances at the '28th Golden Disk Awards'.

For the 'Past Grand Medley' special stage, EXO took on TVXQ's "Mirotic" and Super Junior's "Sorry Sorry", while f(x) performed Girls' Generation's "The Boys".

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The 'Golden Disk Awards', dubbed the 'Korean Grammy Awards', is an annual awards show held by the Music Industry Association of Korea to recognize outstanding achievements in the music industry in South Korea.

Check out EXO up top and f(x) below!