| 2022-11-06 00:30:04 | mch | Updated link https://www.youtube.com/watch?v=vSLHg-ymcd4 (link) |
| 2022-09-09 19:51:35 | mch | Set name to Atari ST/STE YM2149, date to 13 August 2022 (link) |
| 2022-08-28 22:21:44 | mch | Updated link https://zxart.ee/eng/authors/m/mch/cumembert-light/ (link) |
| 2022-08-18 22:14:53 | mch | Added link http://mch.untergrund.net/chip/saguaro.snd (link) |
| 2022-08-16 00:25:16 | mch | Set name to Atari ST/STE YM2149 Music, date to 13 August 2022 (link) |
| 2022-08-01 00:16:45 | mch | Updated competition placing info for Bo mi kazali in Teddy Beer C=64 Party MSX competition (link) (link2) |
| 2022-08-01 00:16:43 | mch | Updated competition placing info for I Feel the Beat in Teddy Beer C=64 Party MSX competition (link) (link2) |
| 2022-08-01 00:16:40 | mch | Updated competition placing info for Kolorism in Teddy Beer C=64 Party MSX competition (link) (link2) |
| 2022-08-01 00:16:37 | mch | Updated competition placing info for Kolorism in Teddy Beer C=64 Party MSX competition (link) (link2) |
| 2022-08-01 00:16:33 | mch | Updated competition placing info for Prick Dangerous in Teddy Beer C=64 Party MSX competition (link) (link2) |
| 2022-04-24 15:32:45 | mch | Set title to 'Pator TikTokowiec' (link) |
| 2022-04-13 01:00:49 | mch | Deleted link https://soundcloud.com/mch64/ (link) |
| 2022-03-10 19:44:29 | mch | Edited nick 'Krystynka': changed name to 'Krystynka' (link) |
| 2022-01-29 18:56:59 | mch | Added screenshot (link) |
| 2022-01-29 18:55:36 | mch | Added credit for MCH on Bloodlust: Music (link) (link2) |
| 2022-01-29 18:55:25 | mch | Added credit for Isildur on Bloodlust: Graphics (link) (link2) |
| 2022-01-29 18:55:12 | mch | Added credit for Don Kichote on Bloodlust: Code (link) (link2) |
| 2022-01-29 18:54:43 | mch | Added production 'Bloodlust' (link) |
| 2017-09-09 23:10:52 | mch | Added MCH as a member of Samar Productions (link) (link2) |
| 2017-01-01 15:50:56 | mch | Added MCH as a member of MultiStyle Labs (link) (link2) |
| 2016-12-25 11:59:17 | mch | Deleted link http://soundcloud.com/mch64/ (link) |
| 2016-12-23 15:58:11 | mch | Deleted link https://www.scenemusic.net/demovibes/artist/3200/ (link) |
| 2016-12-01 10:45:30 | mch | Deleted link http://www.slengpung.com/?userid=5465 (link) |
| 2016-11-28 10:10:03 | mch | Deleted link http://mch.untergrund.net/ (link) |
| 2016-11-25 12:53:37 | mch | Updated MCH's membership of Wanted Team: set as current member (link) (link2) |
| 2016-11-24 14:09:06 | mch | Removed MCH as a member of MultiStyle Labs (link) (link2) |
| 2016-11-15 15:02:08 | mch | Added credit for MCH on At Arion Line: Music (link) (link2) |
| 2016-11-15 15:01:57 | mch | Added credit for TDC on At Arion Line: Code (link) (link2) |
| 2016-11-15 14:59:33 | mch | Added credit for MCH on Ucieczka z Tropików: Music (link) (link2) |
| 2016-11-15 14:59:21 | mch | Added credit for KK on Ucieczka z Tropików: Code (link) (link2) |
| 2016-10-01 20:01:40 | mch | Added MCH as a member of Electric Druggies (link) (link2) |
| 2016-10-01 20:00:58 | mch | Added MCH as a member of Bonzai Bros. (link) (link2) |