Drum (msynth.Msynth.Note.Drum)

val kick : ?on_die:(unit -> unit) -> unit -> float -> float

val snare : 
  ?on_die:(unit -> unit) ->
  ?a:float ->
  ?d:float ->
  ?s:float ->
  ?r:float ->
  ?lp:float ->
  unit ->
  float Stream.t

val crash : ?on_die:(unit -> unit) -> unit -> float -> float

val closed_hat : ?on_die:(unit -> unit) -> unit -> float -> float