Amy Winehouse performs during the 46664 concert in celebration of Nelson Mandela's life at Hyde Park on June 27, 2008 in London. Sadness takes on different forms, from regret to depression to loss; ...

If you were to ask my friends to create a playlist for me, there would be a lot of slower tunes on the list. In fact, when I first met my current neighbor and we got around to talking about our music ...