diff --git a/book/.ignore_scores2json b/book/.ignore_scores2json
deleted file mode 100644
index e69de29..0000000
diff --git a/book/book.lytex b/book/book.lytex
index efbb6da..ddc491b 100644
--- a/book/book.lytex
+++ b/book/book.lytex
@@ -169,14 +169,6 @@
 \end{minipage}%
 \vspace{.5in}
 
-\noindent
-\begin{minipage}{\columnwidth}
-\noindent
-\addcontentsline{toc}{subsection}{Thunderhead}
-\lilypondfile{./jigs/thunderhead.ly}%
-\end{minipage}%
-\vspace{.5in}
-
 %%%%%%%%%%%%
 % Hornpipes
 %%%%%%%%%%%%
diff --git a/build b/build
index bb8e0ba..f5aaf4a 100755
--- a/build
+++ b/build
@@ -4,9 +4,7 @@
 # It uses (standard) commandline options of lilypond
 
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-LIB="$(realpath "${DIR}/../lib")"
-
-# Change the Stylesheet variable if you want different 'settings'
+LIB=$DIR/../lib
 STYLESHEET=$LIB/styles/tinwhistle.sly
 
 # In case tinwhistle.ily is included in file
@@ -14,8 +12,7 @@ STYLESHEET=$LIB/styles/tinwhistle.sly
 TINWHISTLE_DIR=$LIB/tinwhistle/
 
 # Options by this script
-# see http://lilypond.org/doc/v2.18/Documentation/usage/command_002dline-usage#advanced-command-line-options-for-lilypond
-OPTIONS="-dno-strip-output-dir -dno-point-and-click -dpaper-size=\"a4landscape\" -dpreview"
+OPTIONS="-dno-strip-output-dir -dno-point-and-click"
 
 # Execute
 lilypond -dinclude-settings=$STYLESHEET -I $TINWHISTLE_DIR $OPTIONS $@
diff --git a/jigs/thunderhead.ly b/jigs/thunderhead.ly
deleted file mode 100644
index 754428c..0000000
--- a/jigs/thunderhead.ly
+++ /dev/null
@@ -1,96 +0,0 @@
-\version "2.19.80"
-
-\include "tinwhistle.ily"
-
-\header {
-  title = "Thunderhead"
-  meter = "Jig"
-  composer = "G. Larsen"
-  enteredby = "kastdeur"
-}
-
-grA = {}
-grg = {}
-gre = {}
-grd = {}
-
-thrwd = {}
-
-dblb = {}
-dblc = {}
-dble = {}
-dblg = {}
-
-wbirl = {}
-gbirl = {}
-slurf = {}
-
-
-global = {
-  \key d \major
-  \time 6/8
-}
-bpm = \tempo 4. = 100
-
-fluteAA = \fixed c'' {
-	b,4.\lroll	 fis8 b,8  b,8 |
-	e8 b,8  b,8	 d8 b,8  a,8 |
-	b,4.\lroll	 fis8 g8 fis8 |
-	e8 d8 b,8	 a,8  b,8 d8 |
-
-	b,4.\lroll	fis8 b,8  b,8 |
-	e8 b,8  b,	 d8 e fis |
-	g8 fis8 e	 fis8 e d8 |
-	e8 d8 b,
-
-}
-fluteABA = \fixed c'' {
-	a,8[  b,8 d8]
-}
-fluteABB = \fixed c'' {
-	a,8 [  b,8  a,8 ]
-}
-fluteB = \fixed c'' {
-	a8 fis8 d8	 e8 d8 b, |
-	a,8  b, d	 cis4. |
-	b,4  cis8	 b,4  cis8 |
-	d8 cis8 b,8	 cis4. |
-
-	a8 fis8 d8	 e8 d8 b, |
-	a,8  b,8 d8	 cis4. |
-	b,16 cis16 d8 b,8	 cis8  a,8 a8
-	g8 e8 cis8	d4.
-
-}
-
-flute = \relative c'' {
-  % Muziek volgt hier.
-  \global
-  \repeat volta 2 { \fluteAA }
-	\alternative {
-		\fluteABA
-		\fluteABB
-	}
-	\break
-  \repeat volta 2 { \fluteB }
-}
-
-flutePart = \new Staff \with {
-  instrumentName = "Fl."
-  midiInstrument = "flute"
-} \flute
-
-\score {
-  <<
-    \flutePart
-  >>
-  \layout { }
-}
-\score {
-  \unfoldRepeats \removeWithTag #'midiRemove <<
-    \flutePart
-  >>
-  \midi {
-	\bpm
-  }
-}