Although they film at various locations, it's usually only for a day or two. The fixed address is Leavesden Studios - you can send your card there, however, don't expect anything except the usual preprint back. With the amount of mail they receive I doubt the card will even reach her, but you never...

I think it would really benefit you if you could be trained by a teacher. Look for one with a more contemporary rather than classical approach, and this will get you started on some basics. You really shouldn't be singing with a sore throat, because you're putting tension on your vocal chords which...