December 2012 produced 5 #1s across six music shows, shared by 4 artists and 5 songs.
The most wins went to — (2), followed by Psy (1) and Lee Seung-gi (1).
The most-awarded song was “Return” by Lee Seung-gi with 1 wins on 1 shows, then “Caffeine” with 1.
No song swept five or more shows.
First-ever music show wins went to Yang Yo-seob — 1 artists in total.
Counts are recomputed every morning from each show's published results (Wikipedia lists, CC BY-SA). Weeks without a broadcast or record are shown in grey; dates open episode pages.
| Date | Show | Song · Artist |
|---|---|---|
| 2012-12-07 | Music Bank | ReturnLee Seung-gi |
| 2012-12-14 | Music Bank | Caffeine— |
| 2012-12-20 | M Countdown | CaffeineYang Yo-seob |
| 2012-12-21 | Music Bank | Gangnam StylePsy |
| 2012-12-28 | Music Bank | Gangnam Style— |