Rabbi Avrohom Baruch Zachariash teaches the halachas of the Three Weeks with the Mishnah Berurah (O.C. 551:17).
00:10 Avoiding Shehechiyanu during the three weeks.
02:59 Do you make a Shehechiyanu on a new DISHWASHER?
05:30 Do you make a Shehechiyanu on a new CAR? How about a LEASED car?
15:33 Saying Shehechiyanu on Watermelon.
21:46 A pregnant or sick person could make Shehechiyanu.
22:19 551:18
26:38 Can a child practice a musical instrument during the Three Weeks.
32:00 Sde Chemed: Singing during the Three Weeks
39:41 Can you leave the Kosel if no one else is around?