GNU LilyPondとは？ わかりやすく解説

#!lilypond firebreathers.ly -*- coding: utf-8; -*-
%% Theme to "Fire Breathers", a homebrew NES game perpetually 
%% under development.  Composed by Urpo Lankinen.

%% Note: The composer has made this source code available 
%% to Wikipedia under the GFDL license.  Other versions outside 
%% Wikipedia are typically under CC BY-SA license.

%% This file uses Finnish note names (for example, where 
%% Americans use "F#" and "Bb", Finns use "Fis" and "B"). 
%% Dutch note names are used by default.
\include "suomi.ly"

%% Optional language upgrade helper.
\version "2.6.0"

%% The header block defines the titles and texts.
\header {
    title = "Theme to ``Fire Breathers!''"
    instrument = "For the 2A03 or SID"
    composer = "Urpo Lankinen"
    enteredby = "Urpo Lankinen"
    updatedby = "Jan Nieuwenhuizen"
    date = "June 2005"
}

Melody = \relative c'' {
   \clef treble
   \time 3/4
   \key a \minor

   %% The piece starts with a quarter-note partial bar, "\partial 4"
   %% tells so to LilyPond.
   \partial 4
   a4 | e'4.( d8[ c]) r8 | d4.( c8[ h]) r8 | a2. | e2
   a4 | e'4.( d8[ c]) r8 | d4.( e8[ f]) r8 | e2. | r2
   e4 |  f4.( e8[ d]) r8 | d4.( c8[ h]) r8 | a2. | e2
   a4 | e'4.( d8[ c]) r8 | d4.( c8[ h]) r8 | a2. ~ a2 r4 | \bar "|."
}

%% This is the second voice.
SecondVoice = \relative c {
   \clef bass
   \time 3/4
   \key a \minor

   \partial 4
    r4 | e2.              | d2.             | a2. | e2
    a4 | e'2.             | d2       f4     | e2. | r2.
       |  f2.             | d2.             | a2. | e2
    a4 | e'2.             | d2       h4     | a2. ~ a2 r4 | \bar "|."
}


%% Melodies, lyrics and chords can be assigned to a variable and then
%% be *reused* elsewhere.  Here are three different accompaniment
%% patterns, which are used throughout the accompaniment melody.
AccompA = \relative c { a4 e'8 a, e' a, | }
AccompB = \relative c { g4 d'8 g, d' g, | }
AccompC = \relative c { e,4 h'8 e, h' e, | }

Accompaniment = {
   \clef bass
   \time 3/4
   \key a \minor

   \partial 4
    r4 | \AccompA \AccompB \AccompA \AccompA
        \AccompA \AccompB \AccompA \AccompA
        \AccompC \AccompC \AccompA \AccompA
        \AccompA \AccompB \AccompA | a2 r4 | \bar "|."
}

%% The top level music definition.
<<
  \new Staff \Melody
  \new Staff \Accompaniment
  \new Staff \SecondVoice
>>