"Agytian Crave" - Once - Key? Help?

DriftingByTheStorm

Over on the porch the resurrected "Dollar Short" thread mentions the gossman demos track title, "Agytian Crave".

I know those tracks were typically named after the key, but WTF?
My music theory sucks.
Is this a typo of "A Lydian" or what?
can someone break down wtf is going on in Once from a theory perspective so we have a shot at this?
I can't even take the first stab.

Best guess is this was a transcription error on the part of the bootlegger typist OR
stone is playing some sort of joke with scale names?
OR
>?<

[ ??? some sort of play on the movement between the notes A and G ??? "A-G-Ytian ???]