The #1 on Inkigayo on 2021-08-22 was “Traffic Light” by Lee Mu-jin — win No. 1 for the song and career win No. 1 for Lee Mu-jin (No. 1 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 1 wins in 2021 up to this date, and this was the artist's first win on Inkigayo. The previous week's Inkigayo #1 was “Permission to Dance” by BTS. The other shows that week went to The Show: “Thrill Ride” by The Boyz; Show Champion: “Thrill Ride” by The Boyz; M Countdown: “Thrill Ride” by The Boyz; Music Bank: “Thrill Ride” by The Boyz; Show! Music Core: “Thrill Ride” by The Boyz. Episode data comes from broadcasters' published results (Wikipedia lists, CC BY-SA) and is recounted daily.
| Date | Show | Song · Artist | |
|---|---|---|---|
| 2021-08-17 | The Show | Thrill RideThe Boyz | ★ #1 |
| 2021-08-18 | Show Champion | Thrill RideThe Boyz | ★ #1 |
| 2021-08-19 | M Countdown | Thrill RideThe Boyz | ★ #1 |
| 2021-08-20 | Music Bank | Thrill RideThe Boyz | ★ #1 |
| 2021-08-21 | Show! Music Core | Thrill RideThe Boyz | ★ #1 |
| 2021-08-22 | Inkigayo | Traffic LightLee Mu-jin | ★ #1 |