torpid jolt
It's really weird, I can skip the intro screen with my guitar, but the failed to save data error shows up on screen and doesn't allow me to press green to continue. I've restarted and re-plugged the guitar many times but it still happens. It was working for a while but then this keeps happening. i'm not sure of the cause of it.
mossy turret
This is likely because we are detecting any input at all during the logos but your guitar needs to be assigned here if it wasn't auto detected. (Press space on the keyboard to open the mapper)
It also seems your save data isn't being loaded correctly. You will likely need to reset your save data here if you are running into any further problems.