It’s been nearly four years since London synth-pop band Years & Years burst into the charts with their mammoth single “King” and won hearts all over the mainstream, became darlings of the internet and prominent public representatives of the queer community. Last summer they returned with their sophomore album Palo Santo, a concept album around a world where gender and sexuality don’t exist and were met with acclaim from critics and fans alike. In the light of their ever growing momentum, Years & Years have returned to Ireland to a packed out Olympia Theatre absolutely brimming with anticipation. Olly Alexander has…