Lately I find myself reminiscing a lot about the past. I have been combing the internet for radio clips transmitted and recorded by my favorite radio station over 15 years ago. I have also reflected upon old friendships and memorable occasions (birthday parties, graduations, etc.) that have left an indelible imprint on my life. You're probably wondering why in the world I would be searching for those radio clips. Well, one of the great things about music is that, like pictures, it takes you down memory lane and allows you to reflect upon what your life was like at the time -- who your friends were, which restaurants and movie theaters you frequented (and whether those venues are still in business today), how you dressed, and what your interests were. Going back to the title of this post, reflecting is healthful so long as it is done in moderation and not through rose-colored glasses. Nostalgia makes us think of happier moments in the past, but we tend to block out the less plea...