Please leave a message on my profile or in our Discord's #support channel if you find any issues with the site, or have any suggestions.
A proper on-site method for this will be implemented (at some point)
I just discovered this amazing guitarist. His name is Luca Stricagnoli and he can play 2 guitars at once. Here's the video: http://www.guitarworld.com/acoustic-nation-luca-stricagnoli-guns-n-roses-sweet-child-o-mine-two-guitars-video