"Av harachamim" is a prayer asking God to recall those who died al kidush hashem. It was written in response to the First Crusade (and is thus said only in the Ashk'nazi rite). Because of its somber ...
Why are there yom tov additions to the first b'racha before sh'mone esre in the morning and to the third, but never to the second? (In maariv, by contrast, every birchas k'rias sh'ma has yom tov ...