 The contract conditions were vague and " clearly unbalanced to disfavor the customer " . The retroactive changes to the  DRM conditions and the incompatibility with other music players are the major points of concern.
<fluency>  The contract conditions were vague and " clearly unbalanced to disfavor the customer " . The retroactive changes to the  DRM conditions and the incompatibility with other music players are the major points of concern.
 The contract conditions were vague and " clearly unbalanced to disfavor the customer . The retroactive changes to the DRM conditions and the incompatibility with other music players are the major points of concern.