When I did my grade 5 practical piano exam, I actually though I was going to fail. My piano teacher was ready to give up teaching me because I was doing so bad. The week of my piano exam, I forgot half of my a piece and I was terrible at anything. At least during the exam, there was only one sharp in the key signature for signt reading but I messed up on aural a little bit. My scales were the worst, I had to restart most of them. I re did the staccato scale 7 times. At this point, I was hoping to just about pass. Yet through all of this, I got 127/150 (merit). I was honestly so surprised. My music teacher didn't believe me, but after I showed him my certificate, he boasted that one of his students (me) almost got distinction for grade 5...