There are basic types of pricing, but some products may vary in price. (You can see the prices no the album/song page)

So here it is:

One song costs: from 0.03$

Singles costs: from 0.29$

Albums/Compilations: from 0.79$

Double CDs: 1.59$

Also there are sort types of discounts:

1. Membership discount: The more you buy, the less you pay. Buing the music you collect the points, at certain ammount you get Bronze Membership: 5% discount from purchase, then Silver: 7% and Gold: 10%.
2. One package deal: Bying an album, you may see below the albom, "One package deal" offer. You buy two albums at a time, and get discount for this package upto 20% discount.
3. Sale: Some albums from time to time apperas in sale section. Usually discount prices upto 25%, but sometimes it can goes at 100%.