Katy Perry leaves brand new song for Kiwis inside a disco ball

Katy Perry has been teasing her comeback - and she's dropped disco balls all over the country to celebrate. 
We sent our man Andy out to Auckland central to hear the brand new Katy Perry track, 'Chained to the Rhythm', from a disco ball left in Auckland Central's Britomart district. And he even managed to get a little snippet of the song - in case you can't make it down to Britomart. 
Her song will officially be released from Friday.