iTunes Affiliate Program

To taunt time-limited special offer from Real, Apple is launching iTunes Affiliate Program. The "iTunes affiliate program" lets websites place links to iTunes songs, albums, audio-books and artists; and as benefit, earn a 5% commission for clicks that turn into sales.
Registration is free of charge, and possible as soon as you follow the "Terms and Conditions", and that you website does not contain sexually explicit materials, hate/violent/offensive content or promote discrimination based on race, sex, religion, nationality, disability, sexual orientation, or age...
(Otherwise are considered offensive or inappropriate at Apple’s sole discretion)
This offer is available for U.S. iTunes Music Store only, and is completing other Apple programs for large download accounts and US Universities agreements.
for additional info