Seventeen

Touch My Body or Shake It by Sistar (summer song)

Touch My Body 

Hyde or Voodoo doll (VIXX dark concept)

voodoo doll 

Shinee or super junior 

SHINee 

Trei vs. VeriVery

ikon

Jessi or Cheetah (rapper)

Jessi

Million Dollar Dream(Corbyn) (Former 24K leader) or Samuel (Singers)

Corbyn

Lost Paradise (Pentagon), or Trauma (SVT), or Zero For Conduct (Block-B Bastarz)


(songs from hip-hop subunits (the pentagon one isn't an official sub-unit yet, though))

lost paradise

noir (sunmi) or gotta go (chungha)

gotta go

red (hyuna) or gashina (sunmi)

gashina

nobody or why so lonely (wonder girls songs)

why so lonely

SISTAR or Girl's Day

Girl's Day

Uee vs. IU (Idol Actor)

iu

doyoung, haechan or taeil? (nct's main vocals)

Haechan

Kim Woobin or Lee Jongsuk