FLStudio's video player and at first time, the video is located sideways in Video Player (FLStudio 20).
I rotated this video 90 degrees in ShotCut video editor but it didn't help (now the new, rotated video ...
FL does provide a feature called ‘scale highlighting’ in which we can highlight the notes in a particular scale, but it will be more helpful if they provide a feature to fold the notes that are not in the scale ...