1) how to pronounce Eyjafjallajökull,
2) that there is a dirty word called "brundskjoða", and
3) how to sing the first ten verses of the children's song "Einn fíll lagði af stað í leiðangur"
1) how to pronounce Eyjafjallajökull,
2) that there is a dirty word called "brundskjoða", and
3) how to sing the first ten verses of the children's song "Einn fíll lagði af stað í leiðangur"