def purchase!(release_id, track_id, price, token, options={})
      warn "[DEPRECATION] `purchase!` is deprecated.  Please use 'purchase_item!' instead."
      purchase_item!(release_id, track_id, price, options={})
    end
def purchase!(release_id, track_id, price, token, options={})
      warn "[DEPRECATION] `purchase!` is deprecated.  Please use 'purchase_item!' instead."
      purchase_item!(release_id, track_id, price, options={})
    end
<b>DEPRECATED:</b> Please use <tt>purchase_item!</tt> instead.