\documentclass[twoside,titlepage]{article}
\usepackage{geometry}
\geometry{
a5paper,
left=15mm,
right=15mm,
top=20mm,
bottom=20mm,
}
\usepackage[utf8]{inputenc}
\usepackage[czech]{babel}
\frenchspacing

\usepackage{graphicx}
\usepackage{multicol}
\usepackage{leadsheets}

\definesongtitletemplate{horal}{
    \ifsongmeasuring
        {}
        {
            \section{\songproperty{title}}
            \emph{
                \ifsongproperty{music}
                {Hudba: \printsongpropertylist{music}{ \& }{, }{ \& }}
                {}
                \space
                \ifsongproperty{lyrics}
                {Text: \printsongpropertylist{lyrics}{ \& }{, }{ \& }}
                {}
            }
        }
}
\newversetype{refren}[name=R]
\setleadsheets{title-template=horal, verse/numbered=true}

\begin{document}
\include{titlepage}

\input{pisne/leteckyMost.tex}

\newpage
\tableofcontents

\end{document}