The #1 on Show! Music Core on 2018-10-20 was “Bbibbi” by IU — win No. 2 for the song and career win No. 21 for IU (No. 5 on this show). It also won Music Bank, Inkigayo the same week (3 crowns).
“Bbibbi” has 3 music show wins in total: 2018-10-19 Music Bank, 2018-10-20 Show! Music Core, 2018-10-21 Inkigayo. IU had 2 wins in 2018 up to this date, and this was win No. 5 on Show! Music Core. The previous week's Show! Music Core #1 was “Goodbye Road” by iKon. The other shows that week went to The Show: “Regular” by NCT 127. Episode data comes from broadcasters' published results (Wikipedia lists, CC BY-SA) and is recounted daily.
| Date | Show | Song · Artist | |
|---|---|---|---|
| 2018-10-16 | The Show | RegularNCT 127 | ★ #1 |
| 2018-10-19 | Music Bank | BbibbiIU | ★ #1 |
| 2018-10-20 | Show! Music Core | BbibbiIU | ★ #1 |
| 2018-10-21 | Inkigayo | BbibbiIU | ★ #1 |