{{ $src := .Get 0 }}
{{ $split_src := split $src "." }}
{{ $extension := index $split_src (sub (len $split_src) 1) }}

<audio preload="auto" controls>
    {{ if eq $extension "ogg" }}
        <source src="{{ $src }}" type="audio/ogg">
        Your browser doesn't support Ogg Vorbis audio. :(
        <a href="{{ $src }}">Download the audio instead</a>
    {{ else if eq $extension "mp3" }}
        <source src="{{ $src }}" type="audio/mpeg">
        <a href="{{ $src }}">Download the audio instead</a>
    {{ else if eq $extension "wav" }}
        <source src="{{ $src }}" type="audio/wav">
        <a href="{{ $src }}">Download the audio instead</a>
    {{ else }}
        <a href="{{ $src }}">Download the audio instead</a>
    {{ end }}
</audio>