{tree, ...}: {
  imports = with tree;
    [
      # systemwide pulseaudio w/ recv native localhost
      # to broadcast to all speakers over rtp
      profiles.sound.pulseaudio.pulse-systemwide
      profiles.sound.pulseaudio.pulse-recv-native-localhost
    ]
    ++ [./hosts/lappy.nix ./hosts/raspberry.nix];
}