c|----------------------------------------------------|
hh|----------------------------------------------------|
 s|----------------------------------------------------|
 b|o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o---------------------|
ht|----------------------------------------------------|
mt|----------------------------------------------------|
ft|----------------------------------------------------|

  when singing starts

 c|-----------------------------------------------------------|
hh|x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x|
 s|-----------------------------------------------------------|
 b|o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o|
ht|-----------------------------------------------------------|
mt|-----------------------------------------------------------|
ft|-----------------------------------------------------------|

     fill into beat

 c|------x----------------------------------------------------|
hh|-----------------------------------------------------------|
 s|--ooo------------------------------------------------------|
 b|-----o-----------------------------------------------------|
ht|-----------------------------------------------------------|
mt|-----------------------------------------------------------|
ft|-----------------------------------------------------------|

  beat for intro

 c|-----------------------------------------------------------|
hh|x-x-x-x-x-x-x-x-x-x-x-x-x-x-x------------------------------|
 s|--o---o---o---o---o---o---o--------------------------------|
 b|o---o---o---o---o---o---o---o------------------------------|
ht|-----------------------------------------------------------|
mt|-----------------------------------------------------------|
ft|-----------------------------------------------------------|

  fill in between the intro beat 

      c|----x------------------------------------------------------|
hh open|---x-------------------------------------------------------|
      s|-oo--------------------------------------------------------|
      b|----o------------------------------------------------------| 
     ht|-----------------------------------------------------------|
     mt|-----------------------------------------------------------|
     ft|-----------------------------------------------------------|

 c|----------------------------------------------------------|
hh|x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-----------------------|
 s|--o---o---o---o---o---o---o---o---o-----------------------|
 b|o---o---o---o---o---o---o---o---o-------------------------|
ht|----------------------------------------------------------|
mt|----------------------------------------------------------|
ft|----------------------------------------------------------|