The playback controls are shown below.

Use this button to rewind the current song and start playback from the beginning. If less than 4 seconds have played, it will start playback of the previous song.
Use this button to start playback of the next song. (Find or Arrange window.)
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Use these buttons to start and stop playback.
Use this button to pop up a web page with more information and links related to this track. More …
You can use the slider to restart the playback from a given offset.