Wrong mode assigned: a \\major should have been a \\mixolydian

4-4_marches/auld_lang_syne/config.ily

@@ -2,6 +2,7 @@
 %% Globals
 global = {
 	\time 4/4
+	\key a \mixolydian
 	}
 confTempo = { 
 	\tempo 4 = 90 

4-4_marches/auld_lang_syne/notes.pipes.ily

@@ -3,7 +3,7 @@
 \version "2.18.2"
 composerPipes = "Trad."
 pipeglobal = {
-	\key a \major
+	\key a \mixolydian
 }
 pipesA = {
  e4 |

4-4_marches/auld_lang_syne/pipes.d.ly

@@ -0,0 +1,30 @@
+\version "2.18.2"
+
+\include "bagpipe.ly"
+
+\include "./config.ily"
+\include "./notes.pipes.ily"
+
+\score {
+    \transpose a d {
+	  \new Staff {
+		\global
+		\pipeglobal
+		\repeat volta 2 { 
+			\partial 4
+			\pipesA s4
+		}
+		\break
+		\repeat volta 2 {
+			\partial 4
+			\pipesB s4
+		}
+	}
+  }
+	\header {
+		title = \title
+		meter = \meter
+		instrument = \instrumentPipes
+		composer = \composerPipes
+	}
+}