jazzigor

“play-button” lets you place one or more simple mp3 play buttons to your posts, pages or widget contents. 
It’s as easy as placing the simple <code>[play-button:mysong.mp3]</code> mark-up anywhere in your text.
This plugin uses the free flash-based mp3 player by Fabricio Zuardi and the 
<a href="http://musicplayer.sourceforge.net" rel="nofollow ugc">“XSPF Web Music Player”</a> team.
More info at <a href="http://www.thickthumb.com/open-source/play-button" rel="nofollow ugc">this plugin’s homepage</a>. 
See a real-world use example at this <a href="http://www.jazzmadrid.com/cd/" rel="nofollow ugc">music site</a>.

play-button

"play-button" lets you place one or more simple mp3 play buttons to your posts, pages or widget contents.

Arjen Tienkamp

With this simple plugin you can easily add your most recent scrobbles on Last.fm to your WordPress website.

Last.fm Recent Plays – WordPress Plugin

With this simple plugin you can easily add your most recent scrobbles on Last.fm to your WordPress website.

play-button vs Last.fm Recent Plays – WordPress Plugin