I think I never laughed so much about something in this forum!
I know Timballisto had german lessons. You had, too?
Anyway, if you allow, I'll correct you a bit.
dos ist goot ya. MIGHT mean "Das ist gut ja" but doesn't make any sense to me.
And that song..!
I know it like this:
"Mein Hut, der hat drei Ecken,
drei Ecken hat mein Hut.
Und hE4;tt' er nicht drei Ecken,
so wE4;r' es nicht mein Hut."
"My hat has three corners,
three corners has my hat.
And if it wouldn't has three corners,
it wouldn't be my hat."
Kinda senseless, but childs in kindergarten-age seems to like it.