HELLOS

Hi. I just registered and there was a welcoming center, so I just made a new topic. So, I love piano, and I'm grade/level 8, which is pretty good for me, and I made some videos on YouTube, but their really easy songs. But when I try recording harder songs(Grade 8 piano songs), I always mess up because of my nervousness sad . So, do you have any tips for me so I can improve my piano playing or tips to not be so nervous sad? Also, when I try to record the harder songs, I need to flip the pages or memorize it, which would take a long time to do so for one video. So, do you have any free editing programs that could but out the time I flip the page? Thanks.