Shabbat Shirah, Shabbat of Song, falls on the Shabbat early in Sh’vat (Jan/Feb) where we read the Parsha Beshalach, which contains the Song of the Sea (Exodus 15:1–18) and just before Tu B’Shevat. It’s a custom in Ashkenazic custom to go out and feed the birds (because they sing) on this Shabbat.  So if you check the #challah on instagram on Shabbat…