diff --git a/examples/observer/observer.go b/examples/observer/observer.go
index a334f6f..11a062e 100644
--- a/examples/observer/observer.go
+++ b/examples/observer/observer.go
@@ -2,7 +2,6 @@ package main
 
 import (
 	"fmt"
-	"strings"
 	"time"
 
 	"github.com/onyx-and-iris/voicemeeter-api-go"
@@ -12,14 +11,27 @@ type observer struct {
 	vm *voicemeeter.Remote
 }
 
+func (o observer) Register() {
+	o.vm.Register(o)
+}
+
+func (o observer) Deregister() {
+	o.vm.Register(o)
+}
+
 func (o observer) OnUpdate(subject string) {
-	if strings.Compare(subject, "pdirty") == 0 {
+	if subject == "pdirty" {
 		fmt.Println("pdirty!")
 	}
-	if strings.Compare(subject, "mdirty") == 0 {
+	if subject == "mdirty" {
 		fmt.Println("mdirty!")
 	}
-	if strings.Compare(subject, "ldirty") == 0 {
+	if subject == "midi" {
+		var current = o.vm.Midi.Current()
+		var val = o.vm.Midi.Get(current)
+		fmt.Printf("Value of midi button %d: %d\n", current, val)
+	}
+	if subject == "ldirty" {
 		fmt.Printf("%v %v %v %v %v %v %v %v\n",
 			o.vm.Bus[0].Levels().IsDirty(),
 			o.vm.Bus[1].Levels().IsDirty(),
@@ -36,11 +48,13 @@ func (o observer) OnUpdate(subject string) {
 func main() {
 	vm := voicemeeter.NewRemote("potato")
 	vm.Login()
+	// enable level updates (disabled by default)
+	vm.EventAdd("ldirty")
 
 	o := observer{vm}
-	vm.Register(o)
+	o.Register()
 	time.Sleep(30 * time.Second)
-	vm.Deregister(o)
+	o.Deregister()
 
 	vm.Logout()
 }