%% Generated by lilypond-book.py
%% Options: [indent=0\mm,verbatim,quote,ragged-right,alt=[image of music]]
\include "lilypond-book-preamble.ly"


% ****************************************************************
% Start cut-&-pastable-section 
% ****************************************************************



\paper {
  #(define dump-extents #t)
  
  indent = 0\mm
  line-width = 160\mm - 2.0 * 0.4\in
  ragged-right = ##t
  force-assignment = #""
  line-width = #(- line-width (* mm  3.000000))
}

\layout {
  
}



% ****************************************************************
% ly snippet:
% ****************************************************************
\sourcefileline 820
\include "predefined-guitar-fretboards.ly"

% add a new chord shape

\addChordShape #'powerf #"1-1;3-3;3-4;x;x;x;"

% add some new chords based on the power chord shape

\storePredefinedDiagram \chordmode {f'} 
                        #guitar-tuning 
                        #(chord-shape 'powerf)
\storePredefinedDiagram \chordmode {g'} 
                        #guitar-tuning
                        #(offset-fret 2 (chord-shape 'powerf))

mychords = \chordmode{
  f1 f' g g' 
}

<<
  \context ChordNames {
    \mychords
  }
  \context FretBoards {
    \mychords
  }
>>



% ****************************************************************
% end ly snippet
% ****************************************************************