Who played and sang
Wyn Lewis JonesengineerDerec BrowninstrumentHuw "Beefy LaSleep" RobertsinstrumentIwan "Y Whishgersyn" RobertsinstrumentTudur "Iechyd Post" Huws JonesinstrumentTudur "Yffach" MorganinstrumentTudur "Yffach" MorganinstrumentDerec BrownproducerDerec BrownvocalDerec BrownvocalGeraint DaviesvocalTudur Morganvocal
On these albums
Source: MusicBrainz recording 951505a8-ae1c-4b58-ba76-4745a934fa0e (CC0).