documentclass{beamer}
usepackage{media9}
usetheme{default}
usecolortheme{wolverine}
title{Title}
author{K.}
subtitle{Subtitle}
begin{document}
        begin{frame}[plain]
    maketitle
end{frame}
begin{frame}{embedded files}
includemedia[
width=0.4linewidth,
totalheight=0.225linewidth,
activate=pageopen,
passcontext,  %show VPlayer's right-click menu
addresource=Woodpecker.mp3,
flashvars={
source=Woodpecker.mp3
}
]{fbox{Click!}}{VPlayer.swf}
end{frame}
end{document}