If we had to pick two genres that probably wouldn't work together, R&B and metal would likely be good contenders. But Manchester band Alchemize have fused the two, while taking on the added complexity of having three vocalists.
Introducing: Re:O
Japanese/British quartet Re:O have honed a fascinating and diverse sound that fuses a wide range of sounds, from dark pop and J-Pop to rock and metal, and they describe as "dark, energetic and intricate."
Introducing: Up For Corruption
Texas quartet Up For Corruption offer up a fusion of old school metal instrumentals and 'new school' vocals in sound they describe as "heavy, enlightening and controversial."