Finalistas del concurso de plugins para wordpres organizado por http://weblogtoolscollection.com/

Entre ellos está AuToMatiC WP Player el cual seguro que le interesa a Mario.
Author: Jose Sanchez Martin
Description: A music player for your WordPress, you can upload MP3 or WAV files and your users will be able to listen to music from the page without installing additional programs . Flash Player is required for the web client.