| 2025-08-09 19:00:22 | psenough | Added nick 'van Boderund Höglingen' |
| 2025-06-24 17:36:27 | ltk_tscc | Removed JCO as a member of Lantis |
| 2025-06-24 17:36:09 | ltk_tscc | Added JCO as a member of Lantis |
| 2025-04-10 02:32:19 | psenough | Added credit for JCO on Mystery Demoscene Theater 9000 s02e09: Other |
| 2024-03-29 16:26:22 | vitalkanev | Added credit for JCO on Happy-Hardcore XMAS EP 2007: Music |
| 2023-02-28 22:15:01 | seism | Updated JCO's credit on DEMOLAB at MountainBytes 2023: Music (MoodyJazzHop used in Beluha Chimera) |
| 2023-02-28 22:13:38 | seism | Added credit for JCO on DEMOLAB at MountainBytes 2023: Music (MoodyJazzHop used for Beluha Chimera) |
| 2022-08-08 00:52:25 | psenough | Updated JCO's credit on Our True Love, Halberd!: Graphics (hyper realistic 3d human models) |
| 2022-08-08 00:52:03 | psenough | Added credit for JCO on Our True Love, Halberd!: Graphics (hyper realistic models) |
| 2022-08-06 17:06:14 | gasman | Added nick 'Bienenhalm' |
| 2022-07-24 23:50:50 | FlashyLamer | Added credit for JCO on Carp Diem: Music |
| 2022-05-08 16:08:28 | RufUsul | Added credit for JCO on A Better Place: Music |
| 2022-02-20 18:48:43 | Shana | Added credit for JCO on Cowee's Revision Schnupperpraktikum: Other (Special Guest - Evilbot) |
| 2021-07-07 17:43:50 | RufUsul | Added nick 'Great Giana Sisters' |
| 2020-07-14 19:39:08 | Saga_Musix | Added nick 'Top 100 Spotify' |
| 2020-06-26 21:46:18 | RufUsul | Updated JCO's credit on Where Sofas End: Music (Soundtrack) |
| 2020-06-26 21:42:44 | RufUsul | Added credit for JCO on Where Sofas End: Music |
| 2020-01-12 23:30:12 | 100bit | Added links: https://scenestream.net/demovibes/artist/1418/, https://scenestream.net/demovibes/artist/2918/ |
| 2020-01-12 23:29:47 | 100bit | Added link https://scenestream.net/demovibes/artist/569/ |
| 2019-12-30 23:42:53 | Asle | Added link http://amp.dascene.net/detail.php?view=15137 |
| 2019-09-10 13:49:30 | ltk_tscc | Added link https://www.pouet.net/groups.php?which=5804 |
| 2019-09-06 06:54:28 | menace | Added credit for JCO on Spackenhammer: Graphics |
| 2019-08-18 03:09:23 | Saga_Musix | Added nick 'The Progeny' |
| 2019-04-28 13:47:37 | FlashyLamer | Added credit for JCO on sp04 - Airplane?: Code, Graphics (Visuals), Music (Audio), Other (Direction) |
| 2018-05-20 06:06:25 | menace | Added credit for JCO on The Sound of SceneSat Volume 4: Music |
| 2018-05-10 16:47:13 | moqui | Added JCO as a member of Schnappsgirls |
| 2018-04-02 21:30:49 | FlashyLamer | Added credit for JCO on SP04 - Echo Chamber: Code, Graphics, Music, Other (Concept, Direction) |
| 2018-04-02 13:52:20 | 100bit | Added credit for JCO on Raytracing Testtro #1: Graphics, Music |
| 2018-03-19 15:20:50 | FlashyLamer | Updated JCO's credit on SP04 - Evoke 2018 Invitation: Code, Graphics (3D), Music |
| 2018-03-17 19:15:49 | Saga_Musix | Added credit for JCO on Corehammer (xmas w00t): Code, Music |
| 2018-02-08 15:49:21 | Brittle | Added credit for JCO on Report Your Neighbour: Music, Other (Voice) |
| 2018-02-05 13:27:25 | FlashyLamer | Updated JCO's credit on SP04 - Evoke 2018 Invitation: Music, Other |
| 2017-12-28 23:49:45 | FlashyLamer | Added credit for JCO on SP04 - Evoke 2018 Invitation: Other |
| 2017-08-23 05:26:59 | FlashyLamer | Added credit for JCO on sp04 - 거미 김 (Spider Kim): Other (Unknown) |
| 2017-08-01 16:26:11 | Saga_Musix | Added credit for JCO on mmchr004: Music (Synths) |
| 2017-06-22 12:18:06 | Saga_Musix | Added nick 'Jason Cane' |
| 2017-06-19 19:18:07 | tomaes | Added credit for JCO on fr025 final final: Music (remix) |
| 2017-06-19 13:22:21 | cyraxx | Added credit for JCO on Infernal Drink is Fruity: Music (stampf schnapps) |
| 2017-06-19 12:35:34 | Saga_Musix | Added credit for JCO on Megademo: Music |
| 2017-05-23 09:41:11 | tomaes | Added credit for JCO on fr-minus-09: human sources: Graphics, Music |
| 2017-04-24 00:39:23 | exocet | Added credit for JCO on Puzzle Cave 3: Music |
| 2017-04-19 10:53:21 | tomaes | Updated JCO's credit on Hello, Kevin - A Dental Journey: Other (Direction), Graphics, Music, Code (Demo Script) |
| 2017-04-18 18:24:26 | tomaes | Updated JCO's credit on Hello, Kevin - A Dental Journey: Other (Direction), Graphics, Music, Code |
| 2017-04-18 18:08:40 | tomaes | Updated JCO's credit on Hello, Kevin - A Dental Journey: Other (Direction), Graphics, Music |
| 2017-04-17 11:05:35 | FlashyLamer | Added credit for JCO on Hello, Kevin - A Dental Journey: Other (Unknown) |
| 2016-12-29 15:09:11 | Saga_Musix | Added credit for JCO on Fear Of Redemption: Music, Other (Acting, direction) |
| 2016-06-29 11:30:08 | FlashyLamer | Added credit for JCO on Through The Cracks: Music |
| 2016-04-10 15:48:25 | moqui | Added credit for JCO on Sipper: Music |
| 2016-01-01 18:20:38 | moqui | Added nick 'Thunderbass' |
| 2015-12-30 10:35:04 | moqui | Added credit for JCO on The Return: Music, Code |
| 2015-10-10 14:09:24 | Saga_Musix | Added nick 'Gedankenrasen' |
| 2015-07-22 04:58:42 | menace | Added credit for JCO on Pointblank: Music, Other (camera) |
| 2015-06-21 18:33:43 | gasman | Edited nick 'GMM': changed aliases to 'General Midi Master' |
| 2015-04-07 17:22:14 | paralax | Added credit for JCO on Right After Labor: Other (Voice Samples) |
| 2015-03-20 19:53:21 | menace | Added credit for JCO on Coronoid: Music |
| 2014-08-12 18:15:58 | tomaes | Added link http://www.jco.de/ |
| 2014-08-11 16:26:48 | Saga_Musix | Added credit for JCO on Memorize your Future: Other (Production), Music |
| 2014-08-11 12:01:06 | tomaes | Updated JCO's credit on Visual Approach To The Aesthetics Of Techno: Other (filming, editing, direction), Music |
| 2014-08-11 11:59:57 | tomaes | Updated JCO's credit on Visual Approach To The Aesthetics Of Techno: Other (filming, editing, direction) |
| 2014-08-11 11:59:32 | tomaes | Added credit for JCO on Visual Approach To The Aesthetics Of Techno: Other (editing, direction) |
| 2014-05-10 11:54:59 | tomaes | Added credit for JCO on Dynablaster Revenge: Music |
| 2014-05-05 00:24:38 | hedning | Added credit for JCO on Beerjeweled (wii): Other (Sound effects) |
| 2014-04-21 22:20:53 | Saga_Musix | Added nick 'GMM' |
| 2014-03-27 09:32:00 | menace | Added credit for JCO on Eternal Dream of Beauty: Music |
| 2014-01-27 00:23:31 | Tomoya | Added link http://soundcloud.com/jco-de/ |
| 2014-01-09 18:35:01 | tomaes | Added credit for JCO on the inner side of the mind: Music |
| 2014-01-03 19:55:12 | bstrr | Updated JCO's credit on This Is Revision: Music (First part) |
| 2013-12-29 02:16:39 | las | Updated JCO's membership of Mercury: changed group to Mercury, set as ex-member |
| 2013-08-19 00:44:53 | dipswitch | Added credit for JCO on Overdrive: Other (Video) |
| 2013-08-08 07:28:29 | ltk_tscc | Added JCO as a member of Der Speichelkreislauf |
| 2013-08-08 07:20:29 | ltk_tscc | Added nick 'Jakob Bienenhalm' |
| 2013-05-14 14:00:02 | menace | Added credit for JCO on Bubbles: Music |
| 2013-01-17 20:38:42 | menace | Added credit for JCO on Revision 2013 Invitiation: Music |
| 2012-10-09 12:39:28 | menace | Added link http://www.jco-music.de |
| 2012-10-09 12:39:25 | menace | Edited notes |
| 2012-08-06 09:38:18 | D.Fox | Added credit for JCO on Happy-Hardcore Xmas EP 2010: Music |
| 2012-08-02 01:53:39 | dipswitch | Added credit for JCO on DJ Pong: Code, Music |
| 2012-07-31 10:29:11 | las | Updated JCO's credit on Epsilon: Music |
| 2012-07-31 10:28:15 | las | Updated JCO's credit on Epsilon: Music (unknown) |