The #1 on Inkigayo on 2021-09-19 was “Traffic Light” by Lee Mu-jin — win No. 3 for the song and career win No. 3 for Lee Mu-jin (No. 2 on this show).
“Traffic Light” has 3 music show wins in total: 2021-08-22 Inkigayo, 2021-09-10 Music Bank, 2021-09-19 Inkigayo. Lee Mu-jin had 3 wins in 2021 up to this date, and this was win No. 2 on Inkigayo. The previous week's Inkigayo #1 was “Queendom” by Red Velvet. The other shows that week went to The Show: “Stereotype” by STAYC; Show Champion: “Stereotype” by STAYC; M Countdown: “Stereotype” by STAYC; Music Bank: “Lalisa” by Lisa. Episode data comes from broadcasters' published results (Wikipedia lists, CC BY-SA) and is recounted daily.
| Date | Show | Song · Artist | |
|---|---|---|---|
| 2021-09-14 | The Show | StereotypeSTAYC | ★ #1 |
| 2021-09-15 | Show Champion | StereotypeSTAYC | ★ #1 |
| 2021-09-16 | M Countdown | StereotypeSTAYC | ★ #1 |
| 2021-09-17 | Music Bank | LalisaLisa | ★ #1 |
| 2021-09-19 | Inkigayo | Traffic LightLee Mu-jin | ★ #1 |