British producer Richard X was one of the progenitors of the bastard pop phenomenon of the early 2000s and a significant contributor to electronic dance-pop of that decade, parlaying the notoriety he gained for a series of underground mash-ups -- released under the alias Girls on Top -- into a recording contract and a successful career as a mainstream record producer and remixer. His productions typically feature icy, synthesized electro-pop combined with soulful vocal hooks, an aesthetic established in his early bootleg singles, each of which layered the a cappella from an Am...