Ronan Kealy’s evolution as an artist has been a rare delight to behold. The Co. Kerry singer-songwriter known as Junior Brother has all but single-handedly upended the (granted, somewhat kneejerk) conception of experimental folk on these shores. It’s a trajectory, the power of which shines searingly through new single ‘No Country For Young Men’. The follow-up to last October’s inspired ‘Life’s New Haircut’, it’s a masterfully mesmeric effort that explores the culture shock – and straight-up experiential doom – of Kealy’s relocation to the capital. “I wrote this song in response to the tangible feeling of dread and anxiety I…