spiewnik.tex

\documentclass[a5paper,twoside,12pt]{article}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[bookmarks]{hyperref}
\usepackage{authblk}

\usepackage[margin=1.5cm]{geometry}
\usepackage{indentfirst}
\usepackage{framed}
\usepackage{bookmark}

% Change the leftbar width
\renewenvironment{leftbar}[1][\hsize]
{%
\def\FrameCommand
{%
    {\vrule width 2pt}
    \hspace{2pt}
    \fboxsep=\FrameSep
}%
\MakeFramed{\hsize#1\advance\hsize-\width\FrameRestore}%
}
{\endMakeFramed}

% Do not prefix section with a number but still list it in content
\makeatletter
\def\@seccntformat#1{%
  \expandafter\ifx\csname c@#1\endcsname\c@section\else
  \csname the#1\endcsname\quad
  \fi}
\makeatother

\newcommand*\stanza{%
    \par
    \begingroup
    \parindent=0pt
    \obeylines
    \obeyspaces
    \stanzax
}
\newcommand*\chorus{%
    \par
    \begingroup
    \parindent=0pt
    \obeylines
    \obeyspaces
    \begin{leftbar}
    \chorusx
}
\newcommand\stanzax[1]{%
    \filbreak
    #1%
    \vspace*{0.5cm}
    \par
    \endgroup
}
\newcommand\chorusx[1]{%
    \filbreak
    #1%
    \end{leftbar}
    \vspace*{0.5cm}
    \par
    \endgroup
}

\let\stdsection\section
\renewcommand\section{\newpage\stdsection}

\renewcommand{\contentsname}{Spis treści}

\begin{document}

\title{Kolędy i pastorałki}
\author{Rodziny Sielskich}
\date{Grudzień 2020}
\pagestyle{empty}
\maketitle
\vfill
\begin{flushright}
\stanza{
    Dla naszych rodziców i dziadków
    Mirosławy i Romana Sielskich
}
\end{flushright}

\leavevmode\thispagestyle{empty}\newpage

\tableofcontents
\newpage
\pagestyle{plain}

\input{koledy}

\end{document}