I can't pick one in particular, so I'm gonna say 10 of them, and restrict myself to one per band.
Grave of the Fireflies by The Raven Age (Heavy Metal)
Memento Mori by Architects (Progressive Metalcore)
Reptile by Periphery (Progressive Metal)
Complicated End Times by O'Brother (Hard rock)
Crush (Devin Townsend Remix) by Pendulum and Devin Townsend (EDM / Symphonic Metal hybrid)
Bohemian Rhapsody by Queen (Rock)
Thick Iron Fog by guesst and wilsonlikethevolleyball (Hyperpop / Alt hybrid)
The Gallows by Poor Man's Poison (Country (but not in the post-9/11 way))
Empty Bed by Saint Punk (R&B / EDM hybrid)
Everglow by Starset (EDM / Metal hybrid)