"suo gan" ... If I'm not mistaken, that just means "lullaby" (or "buzzy song", but I dunno why it got mutated. [Bard trails off into a Cymrogeek fugue for a bit]). I use a Welsh lullabyish song on Rhys now and then: Cyfri'r Geifr [counting goats], though my goats get a rather wider variety of adjectives than just colors, when I get bored with singing it for half an hour...

... Geekery aside, that sounds like an extra-stress of a night. I guess these things are about 2d6 steps forward, d12 steps back ...