Add slick looking Amazon MP3 widgets to your blog posts in a brain-dead simple way! 
Just say [mp3] to add mp3 tracks anywhere on your blog.
The MP3 Clips widget plays album previews and displays the album art in the background. It’s as easy as typing [mp3] anywhere in your post and you get a beautiful Flash widget with mp3 tracks.
There are many ways to create an MP3 widget. Here are some:
<ol>
<li>
<code>[mp3]</code> 
This creates an MP3 widge containing the latest MP3 bestselling tracks.
</li>
<li>
<code>[mp3 list="Bestsellers" browse_node="324527011"]</code> 
This creates a MP3 widge containing the latest ‘Hard Rock and Metal’ bestsellers. 
You can get the browse_node values for various music genres here: http://www.browsenodes.com/node-324382011.html
</li>
</ol>
Here are the most popular browse nodes: 
Alternative Rock (324384011) 
Blues (324396011) 
Broadway & Vocalists (324409011) 
Children’s Music (324414011) 
Christian & Gospel (324420011) 
Classic Rock (324431011) 
Classical (324442011) 
Country (324492011) 
Dance & DJ (324504011) 
Folk (324519011) 
Hard Rock & Metal (324527011) 
International (324537011)
Jazz (324552011) 
Latin Music (324570011) 
Miscellaneous (324577011) 
New Age (324586011) 
Opera & Vocal (324591011) 
Pop (324608011) 
R&B (324621011) 
Rap & Hip-Hop (324633011) 
Rock (324645011) 
Soundtracks (324660011)
<ol>
<li>
<code>[mp3 keywords="Sunshine" browse_node="324608011" title="Sunshine tracks in Pop"]</code> 
This creates an MP3 widget containing all the ‘Pop’ tracks with the word ‘Sunshine’ in the album/song title.
</li>
<li>
<code>[mp3 asins="'B0011Z0YR2,B00137W4P8,B0013G0PG4,B001AU8ZLK,B001AUCJZ8,B001AUEMDK,B001AU8YB6" title="My favorite MP3 songs." shuffle_tracks="True"]</code> 
This creates an MP3 widget with the specified tracks. The tracks are displayed in random order each time that it is displayed.
</li>
<li>
<code>[mp3 browse_node="324608011" tag="ohmyki-20"]</code> 
This creates an MP3 widget containing bestselling mp3 tracks in Pop. Since the ‘tag’ parameter is specified, you will earn an Affiliate referral fee for any sales made through this widget.
</li>
</ol>
You can customize a lot more in your MP3 widget. Check out the FAQ section for more details.

WP-Amazon-MP3-Widget

Add slick looking Amazon MP3 widgets to your blog posts in a brain-dead simple way! Just say [mp3] to add an MP3 widget anywhere on your blog.

Reuben Gunday

Turns all mp3 links into a playlist using Yahoo Media Player API. To use this plugin you should agree to the <a href="http://info.yahoo.com/legal/us/yahoo/utos/utos-173.html" rel="nofollow ugc">Yahoo! Terms of service</a>.

MP3 Link Player

Turns all mp3 links into a playlist using Yahoo Media Player API.

WP-Amazon-MP3-Widget vs MP3 Link Player