The #1 on M Countdown on 2021-01-14 was “Switch to Me” by Rain & J. Y. Park — win No. 1 for the song and career win No. 1 for Rain & J. Y. Park (No. 1 on this show).
“Switch to Me” has 1 music show wins in total: 2021-01-14 M Countdown. Rain & J. Y. Park had 1 wins in 2021 up to this date, and this was the artist's first win on M Countdown. The previous week's M Countdown #1 was “Panorama” by Iz*One. The other shows that week went to Music Bank: “90's Love” by NCT U; Inkigayo: “Black Mamba” by Aespa. Episode data comes from broadcasters' published results (Wikipedia lists, CC BY-SA) and is recounted daily.
| Date | Show | Song · Artist | |
|---|---|---|---|
| 2021-01-14 | M Countdown | Switch to MeRain & J. Y. Park | ★ #1 |
| 2021-01-15 | Music Bank | 90's LoveNCT U | ★ #1 |
| 2021-01-17 | Inkigayo | Black MambaAespa | ★ #1 |