modify url structure from simple to SEO friendly script php

Avg Bid (USD)
Project Budget (USD)
$30 - $100

Project Description:
Hello, I've created this project because I need one programmer to modify my script php for music mp3. The script is encode explorer and I need to change url structure to make seo friendly url like that: artist_name_title_song.html for more details in PM please thank you.

Skills required:
HTML, HTML5, PHP, Software Architecture
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