| 2024-10-05 13:20:00 | menace | Added credit for Substance on Excess 7: Music |
| 2024-10-04 10:18:57 | menace | Deleted Substance's credit on Hummingbird |
| 2024-10-04 09:56:17 | menace | Added credit for Substance on Overview 8 - Symphony 2001 Edition: Music |
| 2024-10-04 09:41:34 | menace | Added credit for Substance on Overview 4: Music |
| 2024-04-25 20:07:58 | menace | Updated Substance's membership of Subspace: set as ex-member |
| 2024-01-04 21:11:14 | menace | Deleted Substance's credit on Tahiti_Moonlight |
| 2023-07-04 06:55:34 | menace | Deleted Substance's credit on Space Western |
| 2023-03-20 08:04:45 | ericorsio | Edited nick 'Substance': changed aliases to 'sbc' |
| 2023-01-11 17:44:48 | 100bit | Added credit for Substance on Mamey Bay: Music |
| 2022-12-04 12:27:18 | menace | Deleted Substance's credit on Bge.w_8bit |
| 2022-12-04 12:26:44 | menace | Deleted Substance's credit on Gossypium |
| 2022-12-04 12:26:17 | menace | Deleted Substance's credit on incoming_8bit |
| 2022-12-04 12:25:51 | menace | Deleted Substance's credit on Klang Call_8bit |
| 2022-12-04 12:25:09 | menace | Deleted Substance's credit on Oxor_8bit |
| 2022-12-04 12:24:24 | menace | Deleted Substance's credit on Scratches |
| 2022-06-20 19:24:57 | tjahzi | Added credit for Substance on Fragments: Music |
| 2022-02-20 19:34:19 | Brittle | Updated Substance's credit on Symphony Party 2003 Invitation: Music |
| 2021-12-29 11:52:35 | menace | Deleted Substance's credit on Dark Rain |
| 2021-12-29 11:52:01 | menace | Added credit for Substance on Dark Rain: Music |
| 2021-12-01 21:16:36 | menace | Added credit for Substance on Eurochart 42: Text |
| 2021-05-02 15:57:38 | menace | Updated Substance's credit on Recycle Pack 05: Other (pack editor), Graphics (ascii) |
| 2021-01-07 07:45:22 | menace | Updated Substance's credit on SeenPoint 6: Text, Music |
| 2021-01-07 07:32:44 | menace | Added credit for Substance on SeenPoint 6: Music |
| 2020-05-06 16:26:05 | MoonAbyss | Added credit for Substance on Pulstar: Music |
| 2019-08-18 22:28:19 | Brittle | Removed Substance as a member of Fit |
| 2018-05-12 20:10:43 | Brittle | Added credit for Substance on New Dimensions: Music |
| 2018-05-12 19:56:56 | Brittle | Added credit for Substance on Unplugged 2: Music |
| 2017-06-18 19:10:48 | menace | Added credit for Substance on Experiment 2007: Music |
| 2017-04-27 16:54:03 | n.u.p. | Updated Substance's membership of Dual Crew Shining: set as ex-member |
| 2016-02-03 21:58:42 | menace | Added credit for Substance on Showtime 7: Music (guest editor) |
| 2015-11-04 21:21:04 | menace | Added link https://www.scenemusic.net/demovibes/artist/1158/ |
| 2015-05-26 13:13:22 | menace | Added credit for Substance on Daskmig 7: Music |
| 2015-01-31 21:39:36 | menace | Added credit for Substance on Are We Dead Yet?: Music |
| 2014-11-30 07:35:13 | menace | Added credit for Substance on Piranha: Music |
| 2014-09-01 03:43:37 | dipswitch | Set location to Tampere, Pirkanmaa, Western Finland, Finland |
| 2014-09-01 03:43:32 | dipswitch | Edited notes |
| 2014-05-26 02:10:54 | dipswitch | Added Substance as a member of Phuture 303 |
| 2014-05-02 01:50:47 | dipswitch | Added Substance as a member of Ageema Blues |
| 2014-04-25 00:11:28 | dipswitch | Added credit for Substance on ChipMunks 2: Music |
| 2014-04-22 20:57:28 | cherri_kandler | Added credit for Substance on Jointro 2: Music |
| 2014-01-25 18:45:57 | Marq | Added credit for Substance on Palmusunnuntai: Graphics |
| 2014-01-14 20:12:51 | tomaes | Added credit for Substance on Hugi #24: Music |
| 2014-01-03 19:59:57 | bstrr | Added credit for Substance on Waiting for Tonight: Music |
| 2013-11-05 00:44:26 | dipswitch | Added nick 'Kuu' |
| 2013-09-30 10:15:32 | menace | Added credit for Substance on Invitation Intro For Icing 1997 Final Beta: Music |
| 2013-06-23 21:14:30 | menace | Added credit for Substance on Serial Interference: Music |
| 2013-04-11 00:58:26 | dipswitch | Added Substance as a member of Voodoo |
| 2013-02-01 21:29:05 | Saga_Musix | Added link https://joonasmusic.wordpress.com/ |
| 2013-02-01 21:28:28 | Saga_Musix | Added link http://www.discogs.com/artist/Joonas+V%C3%A4h%C3%A4m%C3%A4ki |
| 2013-02-01 21:28:23 | Saga_Musix | Set real name |