The 3 Weeks and the 9 Days (4)

Sometimes a quick exchange communicates more effectively, and more personally, than an article. Sometimes, just seeing that others share our questions can make us feel more connected. Our posted questions and answers are an opportunity to learn from each other. Keep in mind that each questioner’s situation may be unique, in ways that affect the halachah. Even the tone of a question can affect the tone of an answer.
Can I buy clothes during the 3 weeks? I have a wedding shortly after Tish'a Be-Av, and definitely won't have time to buy my dress then.
Can I go to an exercise class that uses upbeat music during the Three Weeks? What about the Nine Days? Is there a difference if it's a class where the instructor chooses the music, or a video I chose from Youtube? What about listening to music while ...
What's the status of a woman's siyum? Is it "legitimate" enough to allow eating meat during the 9 days? And I guess can you discuss women's siyumim in general in halacha, saying kaddish, etc...
Can I get a manicure during the three weeks or nine days?