diff --git a/conjurer_musician/radio_conjurer.liq b/conjurer_musician/radio_conjurer.liq
index 72bd251..4724d62 100644
--- a/conjurer_musician/radio_conjurer.liq
+++ b/conjurer_musician/radio_conjurer.liq
@@ -7,11 +7,21 @@ let json.parse credentials  = file.contents("/home/pi/Conjurer/icecast_credentia
 
     # Enable replaygain metadata processing
     enable_replaygain_metadata()
-
+    l = playlog(duration = 14400.0, persistency="/Conjurer/persistence.log")
+    def check(r)
+        m = request.metadata(r)
+        if l.last(m) < 3600. then
+            log.info("Rejecting #{m['filename']} (played #{l.last(m)}s ago).")
+            false
+        else
+            l.add(m)
+            true
+        end
+    end
     # Define playlists to be used in the stream
-    s1 = replaygain(playlist(reload_mode="watch", "/home/pi/Conjurer/all_playlist.playlist"))
-    s2 = replaygain(playlist(reload_mode="watch", "/home/pi/Conjurer/priority_queue.playlist"))
-    s3 = replaygain(playlist(reload_mode="watch", "/home/pi/Conjurer/hit.playlist"))
+    s1 = replaygain(playlist(reload_mode="watch", check_next=check, "/home/pi/Conjurer/all_playlist.playlist"))
+    s2 = replaygain(playlist(reload_mode="watch", check_next=check, "/home/pi/Conjurer/priority_queue.playlist"))
+    s3 = replaygain(playlist(reload_mode="watch", check_next=check, "/home/pi/Conjurer/hit.playlist"))
     requests_queue = request.queue()
 
     # Randomly select a playlist with weights