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Lamnatzeiach and daily Tehillim: After Aleinu one recites the psalm of “Lamnatzeiach Yeancha” [prior to saying the daily Tehillim with the congregation].
 Michaber 423/3
 M”B 423/8
 Sefer Hamamarim 1948 p. 268; Sefer Haminhagim p. 19; This Takana began on the 2nd of Nissan 1944 based on what the Rebbe Rayatz heard in Gan Eden