Minimal C# is ok and I'm able to play all the opposite notes about the horn in tune with no an issue. I can convey middle C# as much as tune Together with the octave important and G vital and C# earlier mentioned the team by utilizing the octave vital https://dallaskjgcw.blogoscience.com/32614816/d-flat-dorian-scale-on-saxophone-things-to-know-before-you-buy