i think you'll find that Freddie seldom maintained the "fluency of high/low note transitions" in this song live...and it was HIS bloody song...are you expecting miracles...i think her rendition is very good
ffs - people covering it will never sound as good as the original - its a studio piece that was never really designed for the live stage...and therein lies the problem....even on it's original outing when freddie's voice was in top form and the album was new...it was done as part of a medley..ie broekn up....wonder if Freddie did this to help his own fluency?
sometimes it helps to think things thru before levelling criticism at other artists just for the sake of it
queen recordings are not some "holy grail" to be left untocuhed by mortals you know
go deo na hÉireann