| 2025-04-26 21:15:40 | dipswitch | Added X-Ray as organiser of Grayscale Music Compo 2003 |
| 2025-04-26 21:15:27 | dipswitch | Updated Greg as organiser of Grayscale Music Compo 2003: changed organiser to Greg |
| 2025-04-26 21:15:12 | dipswitch | Added Greg as organiser of Grayscale Music Compo 2003 |
| 2025-04-26 21:14:45 | dipswitch | Added Grayscale as organiser of Grayscale Music Compo 2003 |
| 2025-04-26 21:14:32 | dipswitch | Added link https://web.archive.org/web/20040610164820/http://grayscale.scene.pl/en_compo03.php |
| 2014-07-15 10:40:02 | ltk_tscc | Added competition Music |
| 2014-07-15 10:39:48 | ltk_tscc | Added party 'Grayscale Music Compo 2003' |