"The Grathorians are a sapient species. Zordoom Prison of planet Viceron was known to use Grathorian folk music to torture inmates who smuggled in contraband GrummelNet items."@en . "Grathorian"@en . . . . "The Grathorians are a sapient species. Zordoom Prison of planet Viceron was known to use Grathorian folk music to torture inmates who smuggled in contraband GrummelNet items."@en . .