La programmation réactive gère des évènements musicaux

better.js

currentSeq = tops[top] ? tops[top].scene || new EvSeq(new EventEmitter()) : currentSeq;
  if (verb === states.STAGED || verb === states.SHIT) {
    console.log("playing " + top);
    if (verb === states.SHIT) {
      // reset currentSeq
      currentSeq.stop();
    }
    // TODO: figure out a way to unsubscribe observables...this will probably in a memory leak
    Observable.fromEvent(tops[top].event || new EventEmitter(), 'sc')
      .subscribe(function(msg) {
        console.log("msg="+msg);
        sc.server.send.msg(msg);
      });
    currentSeq.play();
  }