three categories: primary, secondary, and tertiary. The three primary colours are red, yellow and blue
Explanation: for guitar those are cords at the top per cord you have a music note so depending on the cord is a note so remeber at the complete bottom line its E then goes to g b d f then on the open spaces you have d f a c e g
ummm i don't understand so byeeeeeee
I think if I remember this its B or D hope this helps.