First import of lilypond files

tests/john-2.ly

@@ -0,0 +1,63 @@
+\version "2.24.4"
+\header {
+  title = "John Ryan's Polka (trop compliqué)"
+}
+
+lhA = {
+  r8 <d d'>8 r8 <g g'>8
+  r8 <d d'>8 r8 <d d'>8
+}
+
+leftHand = {
+  \repeat volta 2 {
+    \lhA \repeat volta 3 { \volta #'() { s1*0^\markup { \bold "2×" } } \lhA }
+    r8 <d d'>8 r8 <a a'>8
+    r8 <d d'>8 r8 <d d'>8
+  }
+}
+
+rhA = \chordmode {
+  d'/fis s d'/fis s 
+  g s d'/fis s 
+}
+
+rightHand = \chordmode {
+  \tempo 4 = 160
+  \time 2/4
+  \key d \major
+  \repeat volta 2 {
+    \alternative {
+      \volta 1 { s4 d'8/fis s }
+      \volta 2 { d'8/fis s d'/fis s }
+    }
+    g8 s d'/fis s 
+    \repeat volta 2 { \rhA }
+    d'/fis s d'/fis s 
+    a/e s d'/fis s 
+  }
+}
+
+piano = { 
+  \tempo 4 = 160
+  \time 2/4
+  \key d \major
+  \leftHand
+}
+
+\new Staff <<
+  \new Voice = "right" { \voiceOne \rightHand }
+  \new Voice= "left" { \voiceTwo \leftHand }
+>>
+
+% \score {
+%   <<
+%     \new ChordNames {
+%       \set chordChanges = ##t
+%       \rightHand
+%     }
+%     \new Staff \rightHand
+%     \new Staff \piano
+%   >>
+%   \layout{ }
+%   \midi { }
+% }