You can sell your ringtones and music files on muyora.com : www.muyora.com/music/blog/

Download Bunieya Enu
Ringtone from psquare : https://music.muyora.com/index.php/downloads/download_file/psquare/9377

How can you setup a business for the sole purpose of making money of google adsense, well there are many other business oppoertunities that exist out there.

Gtb master card doesn't work with facebook advertising and google adwords.not tried it on amazon an ebay yet though, they should still increase its general acceptability

Invest in food business, establish large farms producing stuff like onions,garlic, etc setup a cheap statewide vegetable market.start an expprting business, look for agricultural products to export.

Basically, there is a search engine war, to see who gets to the top of or among the first 30 searches when one searches for a word on google,having your website to feature among the top 30 searches is a process of search optimisation,and it depends on how the search engine crawlers and spiders see your site.The occurence of the particular word being searched, the number of external links your website has and the use of meta tag keywords in your web page html