Noise

Let sounds drip from finger tips onto guitar sting or keys on a board a slow soft arpeggio or pounding drums it doesn’t matter what just create some noise.  

Death Metal

The crunching chug – a – chug – a chug overdriven guitars massage earphoned ear drums keeping perfect one two three four repetition timed with bottom dropping big bass kick drums pounding alongside screaming slinky string solos punched periodically with throat ripping growls and grunts an odd instrument in itself completes the final assualt