diff --git a/config.json.sample b/config.json.sample
index f42c082..89ed1b9 100644
--- a/config.json.sample
+++ b/config.json.sample
@@ -26,5 +26,22 @@
         "desc": "14:00-17:00"
       }
     ]
+  },
+  "scheduled": {
+    "Ontario": {
+      "MonAM": "swift",
+      "MonPM": "swift",
+      "TueAM": "swift",
+      "TuePM": "swift"
+    },
+    "Montana": {
+      "MonAM": "cinder",
+      "MonPM": "cinder",
+      "TueAM": "cinder",
+      "TuePM": "cinder"
+    }
+  },
+  "extrarooms": {
+    "Missouri": ["MonAM", "MonPM", "TueAM", "TuePM"]
   }
 }
diff --git a/ptgbot/bot.py b/ptgbot/bot.py
index 7db1876..6ae7a34 100644
--- a/ptgbot/bot.py
+++ b/ptgbot/bot.py
@@ -183,7 +183,10 @@ def start(configpath):
     else:
         logging.basicConfig(level=logging.DEBUG)
 
-    db = ptgbot.db.PTGDataBase(config['db_filename'], config['slots'])
+    db = ptgbot.db.PTGDataBase(config['db_filename'],
+                               config['slots'],
+                               config['scheduled'],
+                               config['extrarooms'])
 
     bot = PTGBot(config['irc_nick'],
                  config.get('irc_pass', ''),
diff --git a/ptgbot/db.py b/ptgbot/db.py
index b814154..bb3bf7f 100644
--- a/ptgbot/db.py
+++ b/ptgbot/db.py
@@ -22,9 +22,9 @@ import datetime
 class PTGDataBase():
 
     BASE = {'tracks': [], 'slots': {}, 'now': {}, 'next': {}, 'colors': {},
-            'location': {}}
+            'location': {}, 'scheduled': {}, 'additional': {}}
 
-    def __init__(self, filename, slots):
+    def __init__(self, filename, slots, scheduled, extrarooms):
         self.filename = filename
         if os.path.isfile(filename):
             with open(filename, 'r') as fp:
@@ -32,6 +32,28 @@ class PTGDataBase():
         else:
             self.data = self.BASE
         self.data['slots'] = slots
+
+        self.data['scheduled'] = scheduled
+        # Add tracks mentioned in configuration that are not in track list
+        for room, bookings in scheduled.items():
+            for time, track in bookings.items():
+                if track not in self.data['tracks']:
+                    self.data['tracks'].append(track)
+
+        # Rebuild 'additional' with rooms and slots from configuration, but
+        # use saved data where the room/slot is preserved
+        old_data = self.data['additional'].copy()
+        self.data['additional'] = {}
+
+        for room in extrarooms.keys():
+            self.data['additional'][room] = {}
+            for slot in extrarooms[room]:
+                try:
+                    self.data['additional'][room][slot] = old_data[room][slot]
+                except KeyError:
+                    self.data['additional'][room][slot] = ''
+
+        # Save the data to disk
         self.save()
 
     def add_now(self, track, session):