As is known, during Sefiras HaOmer, you should not say "today is x day of the Omer" (or similar) before counting sefirah in Maariv, as this would prevent you from counting with a bracha later ...
This year (2011) Lag Ba'omer falls out on a Sunday. I've heard from a few people that the halacha is, that you can shave on the Friday beforehand l'kavod Shabbos. Are there any sources for that? Any ...
Are you allowed to listen to music the night of lag baomer or do you have to wait untill the day?