code: public String getRecordingTime() {
  		ID3v2TextFrameData frameData = extractTextFrameData(ID_RECTIME);
  		if (frameData != null && frameData.getText() != null)
  			return frameData.getText().toString();
  		return null;
  	}
docs: /*
  'recording time' (TDRC) replaces the deprecated frames 'TDAT - Date', 'TIME - Time',
  'TRDA - Recording dates' and 'TYER - Year' in 4.0