The #1 on Show! Music Core on 2026-06-13 was “Suddenly” by I.O.I — win No. 1 for the song and career win No. 10 for I.O.I (No. 1 on this show).
“Suddenly” has 3 music show wins in total: 2026-06-13 Show! Music Core, 2026-06-27 Show! Music Core, 2026-07-12 Inkigayo. I.O.I had 1 wins in 2026 up to this date, and this was the artist's first win on Show! Music Core. The previous week's Show! Music Core #1 was “It's Me” by Illit. The other shows that week went to Show Champion: “Baby Flower” by TripleS; M Countdown: “If I” by Treasure; Music Bank: “Baby Flower” by TripleS. Episode data comes from broadcasters' published results (Wikipedia lists, CC BY-SA) and is recounted daily.
| Date | Show | Song · Artist | |
|---|---|---|---|
| 2026-06-10 | Show Champion | Baby FlowerTripleS | ★ #1 |
| 2026-06-11 | M Countdown | If ITreasure | ★ #1 |
| 2026-06-12 | Music Bank | Baby FlowerTripleS | ★ #1 |
| 2026-06-13 | Show! Music Core | SuddenlyI.O.I | ★ #1 |