Leslie
type t
val create : unit -> t
val process : t -> fast:bool -> Signal.stereo -> unit
val horn : t -> float
val drum : t -> float
val horn_slow : float
val horn_fast : float
val drum_slow : float
val drum_fast : float
val horn_seconds : float
val drum_seconds : float
val knobs : Effect.knob list
val fx : unit -> Effect.t