You can hear a track each from Kastchei and Grimmness from our upcoming split tape on this compilation from This Noise Is Ours:
https://thisnoiseisours.bandcamp.com/album/reverberations-vol-2

They have info on all the bands featured here:
http://www.thisnoiseisours.com/2016/01/this-noise-is-ours-presents.html

Happy listening
J.