To start playing click the 'Play' button. During playing you can pause and resume playing by clicking on the 'Pause' button. If you want to stop playing click the 'Stop' button. These three buttons will be activated and disabled depending on whether you can use them or not at that time.
If you want to jump to the next item in the play list click the 'Next' button. To jump to the previous item in the play list click the 'Previous' button.
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