It was a simple Facebook comment that did it. One minute I was scrolling idly through my mum's page. The next I'm kneeling on the floor sobbing. The comment? "Mimi would have been so proud". Mimi was what we called my beloved grandmother. (Because she felt that 'Gran' was too old and fuddy duddy, and because she'd got it into her head that Mimi was French for Grandmother and, by the time she'd been gently disabused of the notion, it had stuck. It suited her perfectly.). It'll be a year since she passed away on Tuesday. The comment, made by one of her dearest friends, was in response to a video of me singing a big band song. It had been posted on Facebook and Instagram by my vocal coach, and shared by my mum. (I'll be 40 in 7 months and my mum is still doing that kind of shizzle - what can you do?). I was sobbing because it was a bittersweet compliment. It was a bittersweet compliment because Mimi never heard me sing. She never heard...