Four years ago Derry songsmith Chris McConaghy AKA Our Krypton Son released one of the all-time great Irish debut solo albums. A self-titled release, it traversed an extraordinary palette of heart-wrung balladry and fervent, at times quite remarkable pop majesty. Today McConaghy returns with its highly-anticipated follow-up, Fleas & Diamonds. A wonderfully refined release – in both senses of the word – it betrays the hallmarks of an artist whose knack for weaving exquisite, emotionally potent songwriting with crushingly resonant lyrics is unparalleled on this island at present. Conceived over two days, from a tent pitched in an abandoned building on…