diff --git a/models/session.js b/models/session.js
index a129cf6..c6212bc 100644
--- a/models/session.js
+++ b/models/session.js
@@ -1,43 +1,46 @@
 class Session {
+  #id = null;
+  #started = null;
+  #current = null;
+  #lastScrobble = null;
+  #pauseDuration = 0;
+
   constructor(id) {
-    this._id = id;
-    this._started = Date.now();
-    this._current = null;
-    this._previous = null;
-    this._lastScrobble = null;
-    this._pauseDuration = 0;
+    this.#id = id;
+    this.#started = Date.now();
   }
 
   get id() {
-    return this._id;
+    return this.#id;
   }
 
   get playing() {
-    return this._current;
+    return this.#current;
   }
 
   set playing(value) {
-    this._current = value;
+    console.log('playing =', value);
+    this.#current = value;
   }
 
   get started() {
-    return this._started;
+    return this.#started;
   }
 
   get lastScrobbleTimestamp() {
-    return this._lastScrobble;
+    return this.#lastScrobble;
   }
 
   set lastScrobbleTimestamp(value) {
-    this._lastScrobble = value;
+    this.#lastScrobble = value;
   }
 
   get pauseDuration() {
-    return this._pauseDuration;
+    return this.#pauseDuration;
   }
 
   set pauseDuration(value) {
-    this._pauseDuration = value;
+    this.#pauseDuration = value;
   }
 }