Put tune title, image and following content into a table.

Use tabularx to put tune title, image and any following content into
a table. This should (a) get the following content closer to the tune image,
and (b) stop LaTeX splitting them over a page.

dottes.tex

@@ -6,6 +6,7 @@
 \usepackage[margin=0.75in]{geometry}
 \usepackage{graphicx}
 \usepackage{fancyhdr}
+\usepackage{tabularx}
 \usepackage{longtable}
 \usepackage[UKenglish]{babel}
 \usepackage[UKenglish]{isodate}
@@ -49,24 +50,22 @@
 % Args are tune name, tune title, tune subtitle, composer, tune graphic
 % filename, change name, change title, credit.
 \newcommand{\showtune}[8]{%
-  \vfill
-  \begin{center}
-    \phantomsection
-    \addcontentsline{toc}{section}{#2}
-    \begin{tabular*}{\textwidth}{@{} p{0.25\textwidth} @{\extracolsep{\fill}} c >{\raggedleft\arraybackslash}p{0.25\textwidth} @{}}
+  \phantomsection
+  \begin{tabularx}{\textwidth}{LCR}
+      \addcontentsline{toc}{section}{#2}
       & \hypertarget{#1}{\Large{#2}} & \emph{#4} \\
       \ifemptyarg{#3}{}{%
         & #3 & \\
-      }%
-    \end{tabular*}
-    \includegraphics[width=\textwidth,height=0.85\textheight,keepaspectratio]{#5}
-  \end{center}
-  \ifemptyarg{#8}{}{%
-    From {#8}.
-  }%
-  \ifemptyarg{#6}{}{%
-    Change: \hyperlink{#6}{#7}.
-  }%
+      }
+      \multicolumn{3}{c}{%
+        \includegraphics[width=\textwidth,height=0.8\textheight,keepaspectratio]{#5}%
+      }\tabularnewline
+      \multicolumn{3}{p{\textwidth}}{%
+        \ifemptyarg{#8}{}{From {#8}. }%
+        \ifemptyarg{#6}{}{Change: \hyperlink{#6}{#7}.}%
+      }\tabularnewline
+  \end{tabularx}
+  \vfill
 }
 
 % Show the tune first line. Generate table row.
@@ -226,7 +225,15 @@ anniversary in 2013.
 
 \addcontentsline{toc}{chapter}{Tunes}
 
+{
+\newcolumntype{L}{p{0.25\textwidth}}%
+\newcolumntype{R}{>{\raggedleft\arraybackslash}p{0.25\textwidth}}%
+\newcolumntype{C}{>{\centering\arraybackslash}X}%
+\renewcommand{\tabularxcolumn}[1]{m{#1}}%
+\renewcommand{\tabcolsep}{0pt}
+
 \input{tunes.tex}
+}
 
 % -----