Why does the Torah add the prefix 'Hey' to the word "u'Venei Aharon ha'Kohanim Yiske'u"?
Targum Yonasan: To teach us that only Kohanim who do not have a blemish are eligible to blow the trumpets.
What are the ramifications of the Pasuk "u'Venei Aharon ha'Kohanim Yiske'u ba'Chatzotzeros"?
Rashi (in Divrei Hayamim 2, 7:6, 29:26): Even though the Levi'im played the other instruments in the Beis-Hamikdash, it was the Kohanim who blew the trumpets. 1
See Rashi in Divrei Hayamim 2, 7:6 & 29:26.
Bearing in mind that once they entered Eretz Yisrael, they no longer traveled, what is the Torah referring to when it writes "Vehayah lachem le'Chukas Olam"?
Oznayhim la'Torh: It is referring to the following Pasuk, to blowing the trumpets in time of war which applied even after they entered Eretz Yisrael.
