Fellow BHW member in need!

Hi,
I've been working my a$$ off the past 4 months making a completely original music blog. I have 280+ unique posts/articles and over 350 indexed pages on Google. Some of my posts are ranking well in Google... I'm getting ~100+ unique views per day and ~200+ page loads per day.
This seems all well and good, but I have a ZERO CTR ON ADSENSE! Lol. So I found an ad-checker tool, and i ran it on my domain. At least half of the ads I saw were in GERMAN and the rest we're about selling mp3 players! My domain name has musik instead of music so I think thats why. Anyway, I blocked all the domains that I saw coming form Germany (although I'm sure there are more) in an attempt to make my ads more relevant. Can you guys help me pls? Losing faith.

AdSense normally seems to prioritise on the URL and PageTitle, with some weight on the H tags...

Just be sure that your on-page content stucture is allowing the bot to find the correct market/niche; and it's not being masked/over shadowed in any way.

Are you setting your site's language?

orlandolongwood, those are some great insights that I never even thought to do because I assumed Google would see all my content. I've added the html into index.php, archive.php, post.php, and header.php as well as editing the .htaccess file. We'll see..

EDIT: adding these things to some files completely mangled up my theme, so I just took everything out and left it only within header.php. This fixed the problem, and I'm assuming that each time a .php file loads it's calling 'get_header()' so the language info will be included in that fetch of header.php? Please let me know if I'm right or wrong on this. Thanks