Sound

Sion Trefor

Explore Sion Trefor's filmography, known works, and frequent collaborators.

Music

Known for

Y SŵnViewing moment
Y Sŵn
2023

Frequent collaborators

Mark Lewis JonesMark Lewis JonesDyfan DwyforDyfan DwyforSharon MorganSharon MorganEiry ThomasEiry ThomasRichard ElfynRichard ElfynRhodri MeilirRhodri MeilirAnnes ElwyAnnes ElwySian Reese-WilliamsSian Reese-Williams