\documentclass[a4paper,14pt]{article}

\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[margin=1.8cm]{geometry}
\usepackage{multicol}
\usepackage{parskip}
\usepackage{needspace}
\usepackage{amsmath,bm}

\setlength{\parindent}{0pt}

% --- Section label helpers ---
\newcommand{\Verse}[1]{\textbf{Verse #1}\par}

\newcommand{\Chorus}[1][]{%
  \textbf{Chorus%
    \if\relax\detokenize{#1}\relax
    \else\ (#1)%
    \fi
  }\par
}

\newcommand{\Bridge}[1][]{%
  \textbf{Bridge%
    \if\relax\detokenize{#1}\relax
    \else\ (#1)%
    \fi
  }\par
}

% --- Generic unbreakable lyrics block ---
\newcommand{\LyricsBlock}[3][8]{%
  \Needspace{#1\baselineskip}%
  \begin{minipage}{\columnwidth}
    #2%
    #3%
  \end{minipage}\par
}

% Verse label is mandatory: \VerseBlock{1}{...}
\newcommand{\VerseBlock}[2]{%
  \LyricsBlock{\Verse{#1}}{#2}%
}

% Chorus / Bridge label is optional: \ChorusBlock[<label>]{...}
\newcommand{\ChorusBlock}[2][]{%
  \LyricsBlock{\Chorus[#1]}{#2}%
}

\newcommand{\BridgeBlock}[2][]{%
  \LyricsBlock{\Bridge[#1]}{#2}%
}

% Title
\newcommand{\SongTitle}[1]{%
  \begin{center}
    \LARGE\bfseries #1
  \end{center}
  \vspace{0.2em}
}

\begin{document}

\vspace*{.1cm}
\SongTitle{Here Comes The Sun --- The Beatles}
\vspace*{.1cm}

\begin{multicols}{2}
\Large

\ChorusBlock{
Here comes the sun, doo-doo-doo

Here comes the sun

And I say, "It's all right"
}

\VerseBlock{1}{

Little darlin'

It's been a long, cold, lonely winter

Little darlin'

It feels like years since it's been here
}

\ChorusBlock{

Here comes the sun, doo-doo-doo

Here comes the sun

And I say, "It's all right"
}

\VerseBlock{2}{
Little darlin'

The smile's returning to the faces

Little darlin'

It seems like years since it's been here
}

\ChorusBlock{
Here comes the sun

Here comes the sun

And I say, "It's all right"
}

\BridgeBlock{
Sun, sun, sun, here it comes

Sun, sun, sun, here it comes

Sun, sun, sun, here it comes

Sun, sun, sun, here it comes

Sun, sun, sun, here it comes
}

\VerseBlock{3}{
Little darlin'

I feel that ice is slowly melting

Little darlin'

It seems like years since it's been clear
}

\ChorusBlock[]{
Here comes the sun, doo-doo-doo

Here comes the sun

And I say, "It's all right"
}

\ChorusBlock[]{
Here comes the sun, doo-doo-doo

Here comes the sun

It's all right

It's all right
}

\end{multicols}

$$ \text{Kinetic QM}\; \nabla^2 \bm{\psi} $$

\end{document}
