April 2013 produced 10 #1s across six music shows, shared by 4 artists and 4 songs.
The most wins went to Psy (4), followed by Infinite (3) and Lee Hi (2).
The most-awarded song was “Gentleman” by Psy with 4 wins on 4 shows, then “Man In Love” with 3.
No song swept five or more shows.
No artist earned a first-ever win.
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 |
|---|---|---|
| 2013-04-04 | M Countdown | Man In LoveInfinite |
| 2013-04-05 | Music Bank | Man In LoveInfinite |
| 2013-04-11 | M Countdown | RoseLee Hi |
| 2013-04-14 | Inkigayo | RoseLee Hi |
| 2013-04-18 | M Countdown | GentlemanPsy |
| 2013-04-19 | Music Bank | Love BlossomK.Will |
| 2013-04-20 | Show! Music Core | Man In LoveInfinite |
| 2013-04-21 | Inkigayo | GentlemanPsy |
| 2013-04-26 | Music Bank | GentlemanPsy |
| 2013-04-27 | Show! Music Core | GentlemanPsy |