Help!!! Constantly reject tracks((

Hi guys! Constantly reject tracks.Can I do something wrong? The arrangement, mixing, mastering?
Or is it just a biased attitude?

https://drive.google.com/open?id=0B2Zu0s0sbP1WS19tOExNdEJoczg
https://drive.google.com/open?id=0B2Zu0s0sbP1WTEoxVE5xZjhONmM
https://drive.google.com/open?id=0B2Zu0s0sbP1WcDdmdG1PY2VwSkU

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  1. In the first song there is a chord that does not sound in harmony )))
  2. in the second song a lot of high frequencies , and have extra notes )))
  3. in the third, again, the harmony is bad , the bass is not dissonant with other tools !!!