Removed a few double includes for "bagpipe.ly" and "lilydrum"

This needs to be done for every file

New Scores for Tenor mostly (not fully integrated yet)

Some bugfixes in layout

airs/alexander_mackenzie/config.ily

@@ -4,7 +4,7 @@ global = {
 	\time 6/8
 	}
 confTempo = {
-	\tempo 2. = 90
+	\tempo 4. = 60
 }
 
 %% Format

airs/alexander_mackenzie/mid.ly

@@ -0,0 +1,58 @@
+\version "2.19.0"
+
+\include "lilydrum.ly"
+
+\include "./config.ily"
+\include "./notes.bass.ily"
+\include "./notes.tenor.ily"
+
+\score {
+	\new StaffGroup <<
+		\new PipeBandDrumStaff = "tenor" {
+			\global
+			\tenorglobal
+			\set PipeBandDrumStaff.instrumentName = \markup{ \instrumentTenor }
+			\set PipeBandDrumStaff.shortInstrumentName = \markup{ \shortInstrumentTenor }
+			<<
+				{
+					\repeat volta 2 { \partial 16 s16 \halfline \break \halfline } \break
+					\repeat volta 2 { \part \halfline \break }
+						\alternative{ {\part \halfline \break}{\part \halfline \break} }
+					\bar "|."
+				}%Format
+				{ 
+					s16 \tenorAA r8
+					\tenorAB s8
+
+					\tenorBA s8
+					\tenorBB s8
+					r8 \tenorAB s8
+				}%Music
+			>>
+		}
+		\new PipeBandDrumStaff = "bass" {
+			\bassglobal
+			\set PipeBandDrumStaff.instrumentName = \markup{ \instrumentBass }
+			\set PipeBandDrumStaff.shortInstrumentName = \markup{ \shortInstrumentBass}
+
+			s16 \bassAA \bassAB 
+			s8 \bassBA 
+			s8 \bassBB 
+			s8 \bassAB 
+		}
+	>>
+	\header {
+		title = \title
+		meter = \meter
+		composer = \markup {
+			\column \right-align {
+				$(if (not (string=? "" composerTenor)) #{ \markup {\line { \composerTenor  ":" }} #} )
+				$(if (not (string=? "" composerBass))  #{ \markup {\line { \composerBass  ":" }} #} )
+			}
+			\column \right-align {
+				$(if (not (string=? "" composerTenor)) #{ \markup {\line { \instrumentTenor }}#} )
+				$(if (not (string=? "" composerBass))  #{ \markup {\line { \instrumentBass }}#} )
+			}
+		}
+	}
+}