1)
What are the implications of "Vesheireis be'Shem Hashem"?
1.
Arachin, 11a: It is the source for the Levi'im singing Shirah, 1 since singing is the service that involves Hashem's Name. 2
1
See Torah Temimah, note 49, who queries this from Pasuk 6, where we learnt that the Levi'im in this Parshah refers to the Kohanim exclusively. See Oznayim la'Torah, who answers in the name of the Shitah Mekubetzes citing the Rosh.
2
This is difficult however, since perhaps the Torah is referring to Birchas Kohanim, which also involves the Name of Hashem. See Oznayim la'Torah.
