protected function execute(InputInterface $input, OutputInterface $output)
{
$sampler = new LinuxSampler();
$output->writeln('Connecting to server...');
$sampler->connect();
$output->writeln('Sending MIDI NOTE_ON...');
$sampler->sendChannelMidiData(LinuxSampler::MIDI_MESSAGE_NOTE_ON, 0, 56, 112);
$output->writeln('Waiting 2 seconds...');
sleep(2);
$output->writeln('Sending MIDI NOTE_OFF...');
$sampler->sendChannelMidiData(LinuxSampler::MIDI_MESSAGE_NOTE_OFF, 0, 56, 112);
}
