The #1 on Music Bank on 2015-01-30 was “One Fine Day” by Jung Yong-hwa — win No. 1 for the song and career win No. 1 for Jung Yong-hwa (No. 1 on this show). It also won Inkigayo the same week (2 crowns).
“One Fine Day” has 4 music show wins in total: 2015-01-30 Music Bank, 2015-02-01 Inkigayo, 2015-02-04 Show Champion, 2015-02-13 Music Bank. Jung Yong-hwa had 1 wins in 2015 up to this date, and this was the artist's first win on Music Bank. The previous week's Music Bank #1 was “Déjà-Boo” by Jonghyun. The other shows that week went to Show Champion: “Fire” by Mad Clown; M Countdown: “Fire” by Mad Clown; Show! Music Core: “Cry Again” by Davichi. Episode data comes from broadcasters' published results (Wikipedia lists, CC BY-SA) and is recounted daily.
| Date | Show | Song · Artist | |
|---|---|---|---|
| 2015-01-28 | Show Champion | FireMad Clown | ★ #1 |
| 2015-01-29 | M Countdown | FireMad Clown | ★ #1 |
| 2015-01-30 | Music Bank | One Fine DayJung Yong-hwa | ★ #1 |
| 2015-01-31 | Show! Music Core | Cry AgainDavichi | ★ #1 |
| 2015-02-01 | Inkigayo | One Fine DayJung Yong-hwa | ★ #1 |