module RubyCoverBand
  module Instruments
    class Guitar
      module Chords
        class DropDLowD < Chord
          def first_fret
            0
          end

          def second_fret
            0
          end

          def third_fret
            0
          end

          def fourth_fret
            nil
          end

          def fifth_fret
            nil
          end

          def sixth_fret
            nil
          end
        end
      end
    end
  end
end

