Originally Posted by DamnSexy

1. If this "old domain" had traffic, then it should not be the problem.

2. You need way more than 2 backlinks to rank well in search engines.

3. Using duplicate content on a subdomain is definetely a problem for your SEO.

4. This niche is kinda difficult to compete with large music networks, in my opinion.

You can keep it on line, what are your goals exactly ?