CD determines good, but why not as a CD-RIP?

CD determines good, but why not as a CD-RIP? Individually the songs can be downloaded here. Only if you buy the CD, it will not work? Why this? Another CD of Sharky is offered from the outset as RIP, which is great if you want to listen to the CD on an SD card with the car ...

For these different types of listening to music, there is a star deduction, although the CD for nothing, of course, but probably AMAZON who operate it with other CDs (KinderCDs) so: Some consequences as RIP version, and others not at all again: - /