bass 1 2 3 4 5 6 7 8 9 0 - =  
snare q w e r t y u i o p [ ]  
hat a s d f g h j k l ; ' /\  
kick z x c v b n m , . / < \/ >
  /!\ /!\ /!\ /!\ /!\ /!\ /!\ /!\
arp
bass
snare
hat
kick