Template:Listen links to an audio file. It is meant to be used for audio files set off from the text, like music clips or sound recordings. To apply it in an article use the following:

{{Listen|filename=Name of file.ogg|title=Title of this file|description=The description of this file|format=[[Ogg]]}}

Example:

{{Listen|filename=Accordion chords-01.ogg|title=Accordion chords|description=Chords being played on an accordion|format=[[Ogg]]}}

gives this: