The #1 on Music Bank on 2015-05-15 was “Loser” by BigBang — win No. 4 for the song and career win No. 6 for BigBang (No. 2 on this show). It also won M Countdown the same week (2 crowns).
“Loser” has 5 music show wins in total: 2015-05-09 Show! Music Core, 2015-05-10 Inkigayo, 2015-05-14 M Countdown, 2015-05-15 Music Bank, 2015-05-20 Show Champion. BigBang had 4 wins in 2015 up to this date, and this was win No. 2 on Music Bank. The previous week's Music Bank #1 was “I Need U” by BTS. The other shows that week went to Show Champion: “I Need U” by BTS. Episode data comes from broadcasters' published results (Wikipedia lists, CC BY-SA) and is recounted daily.
| Date | Show | Song · Artist | |
|---|---|---|---|
| 2015-05-13 | Show Champion | I Need UBTS | ★ #1 |
| 2015-05-14 | M Countdown | LoserBigBang | ★ #1 |
| 2015-05-15 | Music Bank | LoserBigBang | ★ #1 |