There is more than one band named Swarms.
1. Swarms is a group comprised of three members that meddle in ambient, experimental, and dubstep genres. UK based, they are currently signed to LoDubs.
2. Swarms is a atmospheric black metal band from Guelph, Ontario, Canada. They formed in 2010 between Andrew and Jordi and first released material in 2012. They play a mixture progressive black metal, as well as some doom/sludge.