async def send_page_updates(request):

    return EventSourceResponse(changes())

def main():

    graph = SyncedGraph(networking.rdfdb.url, "effectSequencer")

    logging.getLogger('autodepgraphapi').setLevel(logging.INFO)

    logging.getLogger('syncedgraph').setLevel(logging.INFO)

    # seq = Sequencer(graph, send)  # per-song timed notes

    lib = EffectFunctionLibrary(graph)

    faders = FaderEval(graph, lib)  # bin/fade's untimed effects

    #@metrics('computeAndSend').time() # needs rework with async