duncan3dc\Sonos\Controller::play PHP Method

    public function play()
    {
        try {
            $this->soap("AVTransport", "Play", ["Speed" => 1]);
        } catch (SoapException $e) {
            if (count($this->getQueue()) < 1) {
                $e = new \BadMethodCallException("Cannot play, the current queue is empty");
            }
            throw $e;
        }
        return $this;
    }