The #1 on Show! Music Core on 2013-05-18 was “What's Going On?” by B1A4 — win No. 1 for the song and career win No. 1 for B1A4 (No. 1 on this show).
“What's Going On?” has 1 music show wins in total: 2013-05-18 Show! Music Core. B1A4 had 1 wins in 2013 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 “Spring Spring Spring” by Roy Kim. The other shows that week went to Inkigayo: “What's Your Name?” by 4Minute. Episode data comes from broadcasters' published results (Wikipedia lists, CC BY-SA) and is recounted daily.
| Date | Show | Song · Artist | |
|---|---|---|---|
| 2013-05-18 | Show! Music Core | What's Going On?B1A4 | ★ #1 |
| 2013-05-19 | Inkigayo | What's Your Name?4Minute | ★ #1 |