def mobileSession(self):
     if self._sk is None:
         ret=self.call_GET(addSign=True,method="auth.getMobileSession",username=self._username,authToken=self.authToken)
         elem=xmlutils.extract_elem(ret,"session/key")
         if elem is None:
             raise errors.BadResponseError()
         else:
             self._sk=elem.text
     return self._sk

 def isStreamable(self):
     ret=self._getInfo()
     return xmlutils.extract_elem(ret, ".//artist/streamable").text == "1"

 def getWikiSummary(self):
     return xmlutils.extract_elem(self._getInfo(), ".//tag/wiki/summary").text

 def getReach(self):
     return xmlutils.extract_elem(self._getInfo(), ".//tag/reach").text

 def getListeners(self):
     return xmlutils.extract_elem(self._getInfo(), ".//album/listeners").text

 def getURL(self):
     return xmlutils.extract_elem(self._getInfo(), ".//album/url").text

 def unlove(self):
     ret=self._client.call_POST(method="track.unlove", track=self._name, artist=self._artist.getName())
     return xmlutils.extract_elem(ret, "status", True)

 def getUrl(self):
     return xmlutils.extract_elem(self._getInfo(), ".//event/url").text

 def getReviews(self):
     return  xmlutils.extract_elem(self._getInfo(), ".//event/reviews").text

 def getAttendance(self):
     return xmlutils.extract_elem(self._getInfo(), ".//event/attendance").text

 def getTitle(self):
     return xmlutils.extract_elem(self._getInfo(), ".//event/title").text

 def getToken(self):
     ret = self.call_GET(addSign=True, method="auth.getToken")
     return xmlutils.extract_elem(ret, "token").text

 def getBioContent(self):
     return xmlutils.extract_elem(self._getInfo(), ".//artist/bio/content").text

 def getBioSummary(self):
     return xmlutils.extract_elem(self._getInfo(), ".//artist/bio/summary").text

 def getPlaycount(self, autocorrect=0, username=None):
     return xmlutils.extract_elem(self._getInfo(autocorrect, username), ".//track/playcount").text

 def getAlbum(self, autocorrect=0):
     album = xmlutils.extract_elem(self._getInfo(autocorrect=autocorrect), ".//track/album")
     #if album:
     album_name = xmlutils.extract_subelem(album, "title").text
     return AlbumRequest(client=self._client, name=album_name, artist=self._artist.getName())

 def getStartDate(self):
     return xmlutils.extract_elem(self._getInfo(), ".//event/startDate").text

 def getID(self):
     return xmlutils.extract_elem(self._getInfo(), ".//album/id").text

 def getDescription(self):
     res=xmlutils.extract_elem(self._getInfo(), ".//event/description").text
     return res if res else ""

 def getReleaseDate(self):
     return xmlutils.extract_elem(self._getInfo(), ".//album/releasedate").text