For the Purity Ring video 'heartsigh', the Canadian duo perform amidst geometric shapes, flashing lights and lit objects that are used as instruments, as well as costumed dancers. Directed by Cecil Frena and Alex Fischer, it's sort of like watching scenes from a distant and underground world set in the future. The song is taken from Purity Ring's latest album 'another eternity', which was released back in February via 4AD. Check it out.