A certain percentage will click through. If you get a geocities site they give you 2mb to play around with. You could use that space to have dozens of these mini sites all unlinked to one another, but all funnelling people interested in music to your music store. Pages which only exist to lead customers into your main site. This technique is on the controversial side but it works.
People click first on powerful benefit packed headlines.
So what you do is create headline only pages which entice people into your site. Your main pages don't link to these headline pages, but the headline pages themselves do nothing but lure people in and then link them to your main pages. Similar in concept to the previous tip, but these are much simpler and quicker to produce. Brainstorm all the possible keywords for your site. Make a list of them.