| 2020-04-16 08:11:52 | 100bit | Added link https://scenestream.net/demovibes/song/46459/ |
| 2020-02-18 22:07:07 | 100bit | Added link https://files.scene.org/view/parties/2020/dihaltlite20/realtime_ay_ym_music/knock_knock_20_20.zip |
| 2020-01-08 22:30:58 | 100bit | Added info file |
| 2020-01-08 22:30:48 | 100bit | Added tag 'pt3' |
| 2020-01-08 22:30:35 | 100bit | Added link https://events.retroscene.org/dhl2020/rt_ay/2276 |
| 2020-01-08 22:30:25 | 100bit | Added link https://events.retroscene.org/files/dhl2020/rt_ay/knock_knock_20_20.zip |
| 2020-01-08 22:25:57 | 100bit | Updated competition placing info for Knock-knock 20-20 in DiHalt 2020 Lite Realtime AY/YM Music competition |
| 2020-01-08 22:25:45 | 100bit | Updated competition placing info for Knock-knock 20-20 in DiHalt 2020 Lite Realtime AY/YM Music competition |
| 2020-01-08 22:25:40 | 100bit | Added competition placing for Knock-knock 20-20 in DiHalt 2020 Lite Realtime AY/YM Music competition |