Brothers Grimm is the name for a few bands:

1) Progressive Metal band from Cincinnati, Ohio. They formed in 1989 and in 1990 self-released the first and last album "The Helm`s Deep". Their music was very intricate, complex, with odd time signatures and high pitched vocals. At the beginning of 90s it was nearly revolutionary CD.
Tracklist included only 5 long, technically composed songs. Shortly after the release of album the group disbanded.

Band members:
Bruce Arnold - vocals
Rob Gannon - guitar
Dennis Hamlin - guitar
Jacob Bolduc - bass
Christian Green - drums

2) A dubstep band from Indianapolis, Indiana, incorporating screams and metal characteristics in their music, which led them to be defined as "screamstep". The band was formed in 2013 by singer Adam Christopher, screamer Dann Grinn and producer Billy Van. Adam is the only original member who is still in the band today, and his bandmates now include screamer Clint Simpson, and drummer/guitarist Josh Tompkins. The band often plays shows with metalcore and post-hardcore bands such as It Lies Within, Conquer Divide, Famous Last Words and Capture the Crown.

3) Hip-hop band from USA.