Being that Baruch She'amar fell from the sky (as said in the
Baeir Heiteiv Orach Chaim 51:1), how is it that the Rambam
(seder tefilos kal hashna) has a different version than what we
have in our siddur: did multiple versions fall from the sky?
|show 3 more comments| All prayers were composed by someone, at
some point, yet for many of them we have multiple versions.
Generally it's because the original version is not known and
people have different traditions as to what it was; sometimes
it's because the original version is not known and people make
different emendations in favor of what they think it must have
been. I don't know which of those is true of "Baruch sheamar"
(perhaps both are), but I don't see that its having fallen from
the sky makes it any less subject to later changes than any
other prayer. |show 10 more comments| In brief, this link
discusses why and how some versions use the word בפי ('in the
mouth of...') and some (most, actually) use the word בפה ('in
the mouth,' with no grammatical connec