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It depends. We should be mostly listening to Christian music, but there is no Bible verse that says Christians can't listen to secular music. You have to ask yourself a few questions. How does the music affect your heart? Does it pass the Philippians 4:8 test.

Philippians 4:8 Finally, brothers and sisters, whatever is true, whatever is noble, whatever is right, whatever is pure, whatever is lovely, whatever is admirable–if anything is excellent or praiseworthy–think about such things.

Is the Holy Spirit telling you not to listen to a certain type of music? Does the song promote evil? Does it promote worldliness? Does it give you give you bad thoughts, changes your actions, changes your speech. Does the music artist blaspheme God? You have to ask yourself these things and be honest with yourself. http://biblereasons.com/music/