This Hip-Hop pack includes aggressive beats with piano,choir,synth,bells. The pack is great for aggressive/diss/battle stuff.
1) Killer Beat (3:53)
http://audiojungle.net/item/killer-beat/5199204
2) Battle Beat (2:53)
http://audiojungle.net/item/battle-beat/4665940
3)Piano Strings Beat (2:42)
http://audiojungle.net/item/piano-strings-beat/4884068
if you like the pack, check out the previous pack of mine of the aggressive style:
http://audiojungle.net/item/aggressive-hiphop-pack-1/4772506