The neon vamp fronting Glasgow’s rising darkwave thrillmasters, Mercy Girl, has a wee laugh re: her perch in rock’s death zone. “It’s something I’ve thought about since turning 27,” says Daisy Miles, being as she is the age at which Amy Winehouse, Kurt Cobain, Jimi Hendrix and other glorious flame-outs entered music’s Valhalla. “I’m trying...