Composition A: Complex Layering and Time Shifts haskell Composition A: Complex Layering and Time Shifts d1 $ stack [ fast 2 $ density 3 $ sound "bd4", Accelerated bass drum layer with density every 3 ( rev) $ sound "sn cp", Reversed snare and clap every 3 cycles slow 0.75 $ density 2 $ sound "hh3", Slowed hihat pattern with double density sometimes ( up 1) $ sound "arpy2", Occasional arpeggio with upward pitch shift every 4 ( gain 1.2) $ sound "perc2", Percussion accent with periodic gain boost delay 0.3 $ sound "fx", FX layer with a subtle delay room 0.5 $ sound "pad", Ambient pad enhanced with reverb sometimes ( speed 0.8) $ sound "bell", C