Yes, you're right, it will be the focus of my practise for the next 6 months before grade 7 and I won't get it wrong (I've played other music to a much higher standard & that is why I am disappointed).
I am also enthused - I was thinking of only taking Grade 6, then concentrating on Pizz, but I will persevere and take it up to Grade 8, all being well!
Thanks for your words of encouragement!