PAGI\Client\AbstractClient::setMusic PHP Method

    public function setMusic($enable, $class = false)
    {
        $cmd = implode(' ', array('SET', 'MUSIC', $enable ? 'on' : 'off'));
        if ($class !== false) {
            $cmd .= ' "' . $class . '"';
        }
        $this->send($cmd);
    }