Am I the only one who don't hear this sentence ?
It's a new sentence, so it takes a day or so for the audio to load.
Audible as of 22Oct15.
Is this an irregular form? The infinitive is "gjøre", so isn't the present tense form supposed to be "gjører" according to the rules?
So, does Norwegian have a strict do/make separation, or is it fuzzy?
is the verb gjøre irregular?
Yes, the verb å gjøre has an irregular present tense form, gjør.
Source: Norwegian on the Web
Is the tone all you need to change to go from regular curiosity to actually being worried?
What do you mean?