Added some stuff and updated other stuff.

_sets/medley_selection_2.ly

@@ -0,0 +1,29 @@
+\header {
+    title = "Medley Selection 2"
+}
+
+\paper {
+    #(define page-breaking ly:minimal-breaking)
+}
+
+\markuplines{\wordwrap{
+  Note: Only the first two parts are played in the medley set.
+}}
+\include "hornpipes/uphold_the_right.ly"
+\include "airs/el_alamein.ly"
+\include "strathspeys/macphedrans_strathspey.ly"
+\pageBreak
+\include "reels/airlies_big_day.ly"
+\include "reels/wretched_man.ly"
+\include "reels/famous_bridge.ly"
+\pageBreak
+\include "piobaireachd/clan_campbells_gathering_2.ly"
+\markuplines{\wordwrap{
+  Replace the initial partial bar with a quarter B and the doubling with a
+  dre, like in the piobaireachd fragment. The initial e doublings in the other
+  parts are also replaced with dre.
+
+  Note: Only the first two parts are played in the medley set.
+}}
+\include "hornpipes/donald_macleod.ly"
+\include "jigs/rocking_the_baby.ly"

_sets/msr_set_1.ly

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+\header {
+    title = "M/S/R Set 1"
+}
+
+\paper {
+    #(define page-breaking ly:minimal-breaking)
+}
+
+\include "2-4_marches/conundrum.ly"
+\include "strathspeys/monymusk.ly"
+\pageBreak
+\include "reels/captain_lachlan_macphail_of_tiree.ly"