MPJax is the plugin version of my MP3 Gallery module for Joomla. The big different is now you can integrate a MP3 gallery in any of your content using this plugin. For those who don't know my MP3 Gallery module: it displays a tree gallery of a subdir of your Joomla installation in which you have uploaded your MP3 files. Your visitors can then listen to the playlist made of the list of MP3 files in the current subdirectory.
For that, just include this text in your content:
{mpjax}media/audio/:slim,popup,repeat,autoload,autoplay,adv:MP3 Gallery{/mpjax}

"media/audio/" can be replace to customize your MP3 subdirectory of Joomla.
"slim": this player type can be replaced by "button" or "extended"
"popup" or "nopopup"
"repeat" or "norepeat"
"autoload" or "noautoload"
"autoplay" or "noautoplay"
"adv" or "noadv" for displaying or hidding backlink to my website. "MP3 Gallery" can be change to any other title you want.

By default the player will be loaded with the options "slim,popup,repeat,autoload,autoplay", so you can just include:
{mpjax}media/audio/{/mpjax}
The order of the options is not important, but they must be separated by a comma ",".

MPJax uses Ajax technology so you can browse the gallery without reloaing the whole page.