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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_hjggrlqcpor0lgko5kl6l6i4sl, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
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<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
static ImageSurface showFrequencyImage(final File audioFile) {
  if (audioFile == null) null;
  ImageSurface is = showZoomedBWImage(audioFile.getName(), audioFileToFrequencyImage(audioFile));
  addButtonsToWindow(is, "Play", rThread { playAudioFile(audioFile) });
  packInNorthEastCorner(is);
  ret is;
}