Chief Bard) Twm Morys, Bob Delyn a'r Ebillion are a major figure in the history of Welsh folk revival in the early 1990s.
[2] Their music combines an eclectic array of influences and instruments with more traditional Welsh folk and roots sounds.
[2] Their debut album was released in 1990, which was according to Blake (2017) a time "when Welsh – in the arts and in daily life – was at a particularly low ebb.
[2] Another track, Fy Mendith ar y Llwybrau, recalls a trip made by Morus to Canada and his longing for home during the journey.
[2] The group's use of both Welsh and Breton has been praised, in tracks such as Meur a Wech, for showing "both the similarities and the differences between the two ancient Celtic languages.