Use any number of media elements within your Joomla articles or modules.
They can easily be added inside the editor by using Media shortcode form located under text editor or by adding shortcodes directly.

[yjsgmedia link="link to mp3" poster="" width="" height="" resp="yes" id="yjsg_media137"]

[yjsgmedia link="link to mp4" poster="link to image" width="640" height="360" resp="yes" id="yjsg_media289"]

[yjsgmedia link="link to youtube" poster="" width="640" height="360" resp="yes" id="yjsg_media253"]

[yjsgmedia link="link to vimeo" poster="" width="640" height="360" resp="yes" id="yjsg_media291"]