- Tru Hardcore - You Know the Score Vol. 2 · 2022
- Hardcore Heaven - Summer Madness! (Mixed By Dougal & Gammer, Sy & Unknown, Joey Riot & Kurt) · 2011
- Hardcore Heaven - Summer Madness! (Mixed By Dougal & Gammer, Sy & Unknown, Joey Riot & Kurt) · 2011
- Hardcore Heaven - Summer Madness! (Mixed By Dougal & Gammer, Sy & Unknown, Joey Riot & Kurt) · 2011
- Hardcore Heaven - Summer Madness! (Mixed By Dougal & Gammer, Sy & Unknown, Joey Riot & Kurt) · 2011
- Hardcore Heaven - Summer Madness! (Mixed By Dougal & Gammer, Sy & Unknown, Joey Riot & Kurt) · 2011
- Hardcore Heaven - Summer Madness! (Mixed By Dougal & Gammer, Sy & Unknown, Joey Riot & Kurt) · 2011
- Hardcore Heaven - Summer Madness! (Mixed By Dougal & Gammer, Sy & Unknown, Joey Riot & Kurt) · 2011
- Quosh Records 100 (QSH100) · 2011
- Quosh Records 100 (QSH100) · 2011
- Quosh Records 100 (QSH100) · 2011
- Quosh Records 102 (Qsh102) · 2010
- Quosh Records 102 (Qsh102) · 2010
Acerca de Sy & Unknown
- ORIGEN
- England
- SE FORMÓ EN
- 1994
- GÉNERO
- Dance