This question came up recently in my choir: how should we pronounce “mihi”?
The sentence is from a psalm:
Quia fecit mihi magna qui potens est.
We’ve encountered it in two Magnificats, the first one (Magnificat Primi Toni) by Spaniard Tomás Luis de Victoria written circa 1600, the second one by Estonian Arvo Pärt, written in the 80s.
We’re from France, so we were naturally inclined to pronounce it [mi'i]; some people said they were previously asked (in other choir) to say [miki]. The internet was of little help: some indicates that it might actually be [mihi]. Little to no sources on the various arguments though, except the Liber Usualis which is apparently in favor of [miki].
So how should we pronounce “mihi”? How was it be pronounced in Victoria’s Spain? How is it pronounced in modern ecclesiastical Latin (which would make more sense for Pärt’s Magnificat)?