Play Midi Note with midi-dot-net.dll in Unity

MidiSound.cs

// usage: copy Midi.dll to Assets/Plugins/ folder
// Get it from https://code.google.com/p/midi-dot-net/

using UnityEngine;
using System.Collections;
using Midi; // needs this

public class MidiSound : MonoBehaviour
{
	OutputDevice outputDevice;

	void Start ()
	{
		outputDevice = OutputDevice.InstalledDevices[0];
		if (outputDevice.IsOpen) outputDevice.Close();
		if (!outputDevice.IsOpen)	outputDevice.Open();
			
		// play note
		outputDevice.SendNoteOn(Channel.Channel1, Pitch.C4, 80);  // Middle C, velocity 80
		outputDevice.SendPitchBend(Channel.Channel1, 7000);  // 8192 is centered, so 7000 is bent down
	}

	void OnDestroy ()
	{
		if (outputDevice != null && outputDevice.IsOpen) outputDevice.Close();
	}

	void OnDisable ()
	{
		if (outputDevice != null && outputDevice.IsOpen) outputDevice.Close();
	}

}