OVO Hydro, GlasgowFlorence Welch is backed by the folk-horror dramatics of a petticoat-clad choir – but quite capable of transfixing the crowd with her billowing voice alone‘I’ve only sung this once before and it makes me shake,” Florence Welch admits, crouching alone at the far end of a long, narrow thrust stage. Watching her command this arena during the first of two sold-out shows in Glasgow in honour of Florence + the Machine’s sixth album Everybody Scream, it’s hard to imagine Welch fearing anything. Just seconds ago, she was racing barefoot, flouncy skirts gathered in one hand, ripping through Spectrum (the band’s first UK No 1, back in 2012) and its searing demand: “Say my name!”But the new song she is steeling herself to sing presses on a bruise. With ratcheting intensity, You Can Have It All grieves an ectopic pregnancy which almost killed her, as well as a music industry that punishes its stars for motherhood. Over grungy electric guitar, her tempestuous voice billows like sa...