I.O.I Takes Their FIRST-EVER Music Core Win With “Suddenly” — 10 Years of Waiting, One Historic Trophy!

Ten years in the making. One trophy that means EVERYTHING. I.O.I took their first-ever win on MBC’s “Music Core” with “Suddenly” on June 13, 2026 — marking the legendary group’s first music show trophy on this specific program in their entire career!

For a group that debuted in 2016 and promoted for barely a year before disbanding, only to reunite a decade later for their 10th-anniversary comeback — this Music Core win isn’t just a trophy. It’s vindication. It’s proof that I.O.I’s music, their bond, and the love of their fans transcend time itself.

Angdungies, after ten years of waiting, your girls finally did it. 💜🏆

I.O.I Wins on Music Core — June 13 Episode Recap

Music Core is MBC’s weekly music show that airs every Saturday. The winner is determined through a combination of digital music scores, physical album sales, expert panel evaluation, and viewer votes.

This week’s top nominees and results:

This marks I.O.I’s first-ever Music Core win — a milestone that makes their 10th-anniversary comeback even more historically significant. The group that was only active for less than a year in 2016–2017 never won on Music Core during their original promotion period, making this victory a long-overdue achievement.

Why This Win Is Historically Significant

The emotional weight of this moment cannot be overstated. In 2016, I.O.I was a project group with a ticking clock — they knew from day one that their time together was limited. They never had the luxury of multiple comeback cycles or extended promotions that could build toward music show wins.

Now, a decade later, nine members voluntarily came back — without contractual obligation — and earned the trophy they never got the first time around.

“Suddenly” — The Song That Won Hearts

“Suddenly” has been one of the standout tracks from I.O.I’s reunion album I.O.I : LOOP, released on May 19, 2026. The song shot up 75 ranks on the Melon Streaming Chart just weeks ago, proving that its appeal extends far beyond nostalgia — it’s a genuinely compelling track that’s resonating with both longtime fans and new listeners.

I.O.I’s Reunion — The Full Picture

Nine of the original eleven members are participating in the 10th-anniversary comeback activities:

The 9 Reunion Members

The Competition This Week — Fierce Lineup

What makes this Music Core win even more impressive is the caliber of competition I.O.I defeated:

For a reunion project group to beat active, heavily-promoted 4th-generation acts — including million-sellers and groups with wins earlier the same week — speaks volumes about I.O.I’s enduring public appeal and the genuine quality of “Suddenly.”

This Week’s Music Core Performances — Stacked Lineup

The June 13 episode featured one of the most star-studded lineups of the year:

I.O.I’s Chart Resurgence — The Reunion Effect

The reunion hasn’t just been emotional — it’s been commercial. “Suddenly” has surged across every major Korean chart since the album dropped:

How Music Core Determines Winners

Music Core is one of K-pop’s six major weekly music shows. Its ranking system:

Music Core’s emphasis on digital performance makes I.O.I’s win particularly meaningful — it proves “Suddenly” isn’t just selling physical albums on nostalgia; it’s being actively streamed and downloaded by a broad listenership.

The Emotional Impact — Why Fans Are Crying

The reaction from Angdungies worldwide has been overwhelming. This win carries a weight that most music show victories simply don’t:

Chungha’s words from a recent TV appearance capture the sentiment perfectly: “Every time we’re happy together, we have to say goodbye again. There were many times when that felt like misfortune, but I think we’ve gained so much more that this was truly good fortune.”

I.O.I’s Music Show Win History — Old and New

While I.O.I did win on other music shows during their original run, Music Core had always eluded them. The short promotional windows and fierce competition in 2016 meant they could never quite secure this specific trophy. Ten years later, they finally have it.

What’s Next for I.O.I?

The reunion isn’t over yet — there’s still more for Angdungies to look forward to:

The group’s appearance on MBC’s “The Manager” — where five members (Jeon Somi, Kim Doyeon, Kim Se Jeong, Chungha, and Lim Nayoung) go on a bonding trip together — airs the same day as their Music Core win, creating a perfect storm of I.O.I content.

The Legacy — Why I.O.I Changed K-Pop Forever

Even though I.O.I was only active for less than a year, their impact is undeniable, and many of its members have gone on to have successful careers.

I.O.I didn’t just create a group — they created a genre of K-pop. Every survival show idol group since 2016 owes its existence to I.O.I’s proof-of-concept. And now, with their reunion win on Music Core, they’ve proven that the original is still the best.

For a full history of I.O.I and their lasting legacy, visit the official I.O.I Wikipedia page.

The Bottom Line

Ten years. Nine members. One trophy that was a decade in the making. I.O.I’s first-ever Music Core win with “Suddenly” isn’t just another music show victory — it’s one of the most emotionally resonant moments in K-pop history.

A group that promoted for barely nine months in 2016, disbanded, watched its members scatter across the industry, and then chose to come back — voluntarily, without obligation — only to defeat million-selling 4th-gen acts and claim a trophy they never won during their original run.

This is why we love K-pop. This is why reunions matter. This is why I.O.I will always be iconic.

Congratulations, I.O.I. You were worth the wait. Every single day of it. 💜🏆

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