SEO Link Building, one way permanent backlinks from relevant sites only by gmmed

I need 50 permanent backlinks (text-links) from music-production and DJing relevant sites. – Minimum 15 links from PR2 – Minimum 10 links from PR3 – Minimum 5 links for PR4 – Minimum 15 links from… (Budget: $30-$250 USD, Jobs: Internet Marketing, Link Building, SEO)