Yeah, that one’s pretty straightforward.
Under Pressure has a lot of scat.
Perhaps if you narrow down the part of the song you’re having trouble with…
I hear it slightly differently, though I’m not sure it doesn’t change on different versions.
The first last ‘a’ is short, whilst the second last ‘a’ is long as in day.
Ladididada
Ladadidaday
Badadidapayda
Hep, THAT’S okaaaaay!