{...}: {
  # Enable sound with pipewire.
  sound.enable = true;
  hardware.pulseaudio.enable = false;
  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
    jack.enable = true;
  };
  environment.etc.pipewire-pulse-config = {
    target = "pipewire/pipewire-pulse.conf.d/pipewire-pulse-config.conf";
    text = ''
      # Extra scripts can be started here. Setup in default.pa can be moved in
      # a script or in pulse.cmd below
      context.exec = [
          { path = "pactl"        args = "set-sink-volume 0 13%" }
      ]
    '';
  };
}