“Kisses are nothing without an object of affection on which to plant them. On the L.A. duo's first single since releasing their 2010 debut album, The Heart of the Nightlife, they've transferred their fondness for occasionally cloying, Balearic jams to a slightly less breezy, far less continental strain of synth pop-- "The Hardest Part" recalls New Order's "True Faith", and the Pet Shop Boys' strut ”