Rhyw Byw - Safwn Yn Y Twlc - cassette (Wales, 198?)

I'll start by assuming the band name is Rhyw Byw (which Google translates as "live sex") and the title is Safwn Yn Y Twlc ("We Stand In The Sty"). No idea of the date. The first song, Can y bugail, translates as "The Shepherd Song" so it seems sheep are somehow involved in all of this as well. Apparently any Scottish sheep jokes you may have heard apply to the Welsh as well. "William" is a cool song but I have no idea what it might be about.

Rhyw Byw - Safwn Yn Y Twlc cassette (Moch 01, 198?)
(Can y bugail / William / Can bedlam / Lleucu llwyd / Safwn yn y twlc)