All I see here is that your website may have been click bombed, contact Google and just explain you're earnings and how strange it is, report possible click bomb too.
-music is copyright, there are a violation about adsense policies. not copyright sites can be added adsense. -your account can be smart pricing, its happen when you cannot make more quality visitors to their advertisers for along time. -smart pricing account has rate to restore very slow.
Your niche may be too low paying, or may be some clicks were counted as invalid clicks. You are not alone who is getting low rate per clicks. I too get less than $0.03 per click all the time on all my sites
I'm 100% sure that your traffic is international traffic and that's the reason you're only making .01/click. I have some international sites and seriously... the CPC is disgusting, but oh well. The advertisers don't pay squat for clicks.
Which countries are you getting traffic from? There's a few things you can do: 1) Examine and change your niche/category of content 2) Examine and change the country(countries) of origin of your traffic 3) Find higher paying keywords within your existing niche or category
Sorry for such low earnings. Maybe it would be time to look into placing affiliate ads on your site instead.
I had adsense on a music site a while ago. It sucks. There was so much smart pricing and low paying ads on my site that I removed adsense all together. Affiliate links work much better for me in that niche.