Music Bank

f(x) won with “4 Walls”, 7,105 points.

1. 1 New
   
   f(x) 4 Walls 7,105 1 wk
2. 2 ▲1
   
   IU 스물셋 6,622 2 wk Not in the lineup
3. 3 ▼2
   
   Taeyeon I (Feat. 버벌진트) 4,991 Won 3× 4 wk Not in the lineup
4. 4 ▼2
   Im Chang-jung 또 다시 사랑 4,959 Won 1× 6 wk Not in the lineup
5. 5 ▲2
   
   IU 푸르던 4,031 2 wk Not in the lineup
6. 6 ▼1
   Zion.T No Make Up 3,031 3 wk Not in the lineup
7. 7 ▼1
   
   Cho Kyuhyun 밀리언조각 (A Million Pieces) 2,600 3 wk Not in the lineup
8. 8 ▲5
   
   TWICE OOH-AHH하게 2,448 2 wk
9. 9 ▲1
   
   Taeyeon U R 1,942 4 wk Not in the lineup
10. 10 ▼2
    
    iKON 취향저격 1,925 7 wk Not in the lineup
11. 11 ▲4
    
    Girls' Generation Lion Heart 1,921 Won 4× 11 wk Not in the lineup
12. 12 ▼1 소유 권정열 어깨 1,911 6 wk Not in the lineup
13. 13 ▼1 개리 바람이나 좀 쐐 (Feat. MIWOO) 1,855 6 wk Not in the lineup
14. 14 ▲
    
    GFriend 오늘부터 우리는 (Me Gustas Tu) 1,686 12 wk Not in the lineup
15. 15 ▲4
    
    Lovelyz Ah-Choo 1,663 4 wk Not in the lineup
16. 16 New
    Junggigo 일주일 (247) (Feat. Zion.T, Crush, DEAN) 1,639 1 wk Not in the lineup
17. 17 ▲
    
    iKON 리듬 타 (RHYTHM TA) 1,487 4 wk Not in the lineup
18. 18 ▼2
    
    Ailee 너나 잘해 1,485 5 wk Not in the lineup
19. 19 ▼2
    
    Red Velvet Dumb Dumb 1,436 8 wk Not in the lineup
20. 20 ▼16
    
    Kim Junsu 꼭 어제 1,380 2 wk Not in the lineup

Source: program.kbs.co.kr chart post.