The #1 on Show! Music Core on 2018-01-13 was “Heart Shaker” by Twice — win No. 6 for the song and career win No. 35 for Twice (No. 3 on this show).
“Heart Shaker” has 6 music show wins in total: 2017-12-21 M Countdown, 2017-12-22 Music Bank, 2017-12-23 Show! Music Core, 2017-12-24 Inkigayo, 2018-01-07 Inkigayo, 2018-01-13 Show! Music Core. Twice had 2 wins in 2018 up to this date, and this was win No. 3 on Show! Music Core. The previous week's Show! Music Core #1 was “Universe” by Exo. The other shows that week went to Show Champion: “Universe” by Exo; M Countdown: “Bboom Bboom” by Momoland; Inkigayo: “Peek-a-Boo” by Red Velvet. Episode data comes from broadcasters' published results (Wikipedia lists, CC BY-SA) and is recounted daily.
| Date | Show | Song · Artist | |
|---|---|---|---|
| 2018-01-10 | Show Champion | UniverseExo | ★ #1 |
| 2018-01-11 | M Countdown | Bboom BboomMomoland | ★ #1 |
| 2018-01-13 | Show! Music Core | Heart ShakerTwice | ★ #1 |
| 2018-01-14 | Inkigayo | Peek-a-BooRed Velvet | ★ #1 |