Watch: K-Pop Idols Swap Songs and Sing Medleys of Hits for Special "Music Core" Episode

This week was the 500th episode of MBC’s “Music Core,” and to celebrate, the show prepared special stages from your favorite K-pop idols.

Special performances as well as comeback stages are from Block B, BTS, CNBLUE, A Pink, AOA, EXID, Hyosung, GFRIEND, BTOB, MAMAMOO, Tae Jin Ah, UP10TION, SEVENTEEN, TWICE, NCT U, Oh My Girl, Cosmic Girls, SNUPER, ASTRO, and KNK.

For this week, the MCs were ZICO of Block B and Chanyeol of EXO joining regular MCs Kim Sae Ron and Kim Min Jae.

Not all performances were available in clips at the time of publishing, but the full show is available at the bottom of the article!

KNK, ASTRO, and SNUPER team up to sing EXO’s “Growl”

TWICE sings GFRIEND’s “Me Gustas Tu” and GFRIEND sings TWICE’s “Like OOH-AHH”

BTOB sings MAMAMOO’s “You’re the Best” and MAMAMOO sings BTOB’s “It’s Okay”

Their interview before the performance.

UP10TION sings a medley of boy group hits: BEAST’s “12:30,” Block B’s “Her,” and EXO’s “Love Me Right”

Seventeen sings a medley of girl group hits: Girls’ Generation’s “Lion Heart” and Red Velvet’s “Ice Cream Cake” and they end with their own “Mansae.”

EXID and Cosmic Girls teams up for a medley of EXID’s “Up and Down” and “Hot Pink”

A Pink and Oh My Girl team up for a medley of A Pink’s “Mr. Chu” and “Remember”

BTS sings a medley of their hits “I Need U” and “Run”

AOA sings a medley of their hits “Heart Attack” and “Like a Cat”

NCT U had their “Music Core” debut stage with “Without” and “The 7th Sense”

Hyosung- “Find Me”

UP10TION’s comeback stage – “Attention”

Block B’s comeback stage – “A Few Years Later” and “Toy”

CNBLUE- “You’re So Fine”

For the whole show: