Nct's Jaehyun

Yoohyeon (Dreamcatcher) or Saerom (Fromis_9)

Yoohyeon

Want or Move (Taemin title tracks)

move

im or jooheon (monsta x rappers)

I.M

I am me (got7) or I am you (stray kids) 

I am you

Oh My Girl or April (Girl Groups)

Oh My Girl 

I.O.I or IZ*ONE (Produce girl groups)

I.O.I  

Begin or Stigma (Bts Wings Solos) 

Haven't listened to either, but I've heard people hyping stigma, so stigma?

B1A4 - O.K or B1A4 - Rollin' (Oldest vs newest song)

B1A4's O.K.

Epik High's cover of "Eyes, Nose, Lips" or Akdong Musician's cover of "Eyes, Nose, Lips"

AKMU

Twice - Ooh Ah or Itsy - Dalla Dalla (JYP Girl Group Debuts)

like ooh ah

bad boy or really bad boy (red velvet's title tracks)

Bad Boy (I really didn't like RBB)

Between Us or Turn It On (Laboum Songs)

between us

firetruck or limitless (nct127)

Firetruck 

Seventeen Home or Oh My!

Oh My!

Shine Forever or All In (Monsta X Songs)