The concept is that if you encrypted it, then you should be able to provide the phrase to unlock the volume. Otherwise, unless there's an engineered back door, it's unlikely to be recoverable.

There's a concept that I'll bet a lot of people will be investigating of hidden volumes WITHIN an encrypted volume. Basically you can surrender one set of keys, and whatever authority can see your banking transactions, whatever: fairly innocent yet private stuff, but there's a volume hidden within the encrypted volume that requires an additional key to unlock. As long as they can't readily find the second volume, you're good.