I am probably being dim, but...
Is it possible to set different notification sounds for different types of notification? EG "ding" for email and "ding ding" for texts. "ding ding ding" for something else?
I can work out how to set custom sounds for messages from people you are in conversation with but I can only see one option as a default sound, for all types of notification.
This seems a bit basic so I am assuming there must be a way?