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.
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.
