Meditation and Mindfulness in Depression?

I wonder if the practice of meditation and mindfulness could be really frightening or even dangerous in the case of depression. In fact, i'll tell you, when i am most ravaged, i cannot meditate. When i am feeling most awful, i will go and practise my viola de gomba. Am, i will sit down and learn a little bit of hindu or serbocation grammaram. I know myself well enough to know that in my deepest dark i absolutely cannot sit and meditate. That it would be the worst thing that i could do. And what i need to do is something very concrete and very structured, a task so that i can get to the end of