Audio Player Widget is a small plugin that provides support for using the Audio-Player plugin in WordPress sidebars.
The Tierra Billboard Manager plugin for WordPress offers a single, customizable "billboard panel" through which publishers can present image
Tierra's Audio Playlist Manager offers extensive flexibility when embedding mp3 audio into your posts or templates.
Simple. Tiny. Google. MP3 Player. Enough said?
This a plugin that will make a 'Mixed Tape' post from mp3 file and play list shortcode.
Streampad gives you everything you need to play back the music you post.