This guy puts an a before ri. Bha mi a bruidhinn a ri Mairi
I heard it too. Threw me right off.
I agree and have reported it.
Caught me out today too. There is definitely an additional syllable in there.
But they still haven't changed it. Im sure it's a local speech idiom, but it's a pain for we learners.
I hear it more as an aspiration sound to start the rolled 'r', but I understand the confusion