It’s been a weird year for the ‘Boutique’ festival market, with ATP coming to an official end following a string of debacles, but in its tenth year, Utrecht’s Le Guess Who? somehow does it. Across four days, it ties together seldom-seen legends, a pocket of essential esoterica, and today’s most boundary-pushing acts, the lineup this year curated by Wilco, Suuns, Julia Holter & Savages. Utrecht is the sophisticated, civilised, more communal sister city of Amsterdam, located just half an hour south of the capital, and in a city with the Rietveld Schröderhuis built in 1924 it houses the kind of forward-thinking…