| 2024-03-24 07:56:39 | menace | Added Hardball as organiser of Mekka & Symposium 2002 |
| 2021-12-11 00:44:09 | dipswitch | Added credit for Hardball on Imphobia 12: Text |
| 2021-08-04 07:37:50 | menace | Edited notes |
| 2021-01-24 04:47:38 | dipswitch | Added Hardball as staff member of Farmers Inn |
| 2021-01-19 23:00:59 | dipswitch | Updated Hardball as organiser of Mekka & Symposium 1999: changed role to Main (PC) |
| 2021-01-19 22:59:57 | dipswitch | Added Hardball as organiser of Mekka & Symposium 1999 |
| 2021-01-08 04:41:51 | menace | Updated Hardball as organiser of Mekka & Symposium 1998: changed role to pc, general |
| 2021-01-08 04:33:27 | menace | Set real name |
| 2021-01-08 04:33:12 | menace | Set location to Neu Wulmstorf, Lower Saxony, Germany |
| 2021-01-08 04:31:33 | menace | Added Hardball as organiser of Mekka & Symposium 1998 |
| 2021-01-08 03:09:01 | dipswitch | Added Hardball as organiser of Mekka 1996 |
| 2021-01-07 14:19:19 | menace | Added Hardball as organiser of Mekka & Symposium 2001 |
| 2021-01-07 13:41:23 | menace | Edited notes |
| 2021-01-07 13:33:56 | menace | Updated Hardball as organiser of Mekka & Symposium 2000: changed role to general organizing |
| 2021-01-07 13:33:46 | menace | Added Hardball as organiser of Mekka & Symposium 2000 |
| 2021-01-07 01:36:47 | dipswitch | Added Hardball as organiser of Mekka & Symposium 1997 |
| 2019-12-08 08:55:32 | menace | Edited notes |
| 2015-01-19 18:39:59 | tomaes | Added credit for Hardball on Massive: Graphics (Design) |
| 2014-11-15 05:26:35 | menace | Added credit for Hardball on Sell Out: Other (guru) |
| 2014-08-29 03:36:59 | dipswitch | Added credit for Hardball on Cream #4: Text (Interviewed) |