diff --git a/js/api.js b/js/api.js
index 1712072..3186199 100644
--- a/js/api.js
+++ b/js/api.js
@@ -1182,9 +1182,11 @@ export class LosslessAPI {
 
         const results = await Promise.all(artistPromises);
         results.forEach((tracks) => {
-            if (tracks.length > 0) {
-                recommendedTracks.push(...tracks);
-                tracks.forEach((t) => seenTrackIds.add(t.id));
+            for (const t of tracks) {
+                if (!seenTrackIds.has(t.id)) {
+                    seenTrackIds.add(t.id);
+                    recommendedTracks.push(t);
+                }
             }
         });
 
diff --git a/js/db.js b/js/db.js
index 1924e49..5f01564 100644
--- a/js/db.js
+++ b/js/db.js
@@ -107,7 +107,6 @@ export class MusicDatabase {
             const store = transaction.objectStore(storeName);
             const index = store.index('timestamp');
 
-            // Check the most recent entry
             const cursorReq = index.openCursor(null, 'prev');
 
             cursorReq.onsuccess = (e) => {
@@ -115,11 +114,9 @@ export class MusicDatabase {
                 if (cursor) {
                     const lastTrack = cursor.value;
                     if (lastTrack.id === track.id) {
-                        // If same track, delete the old entry so we just update the timestamp
                         store.delete(cursor.primaryKey);
                     }
                 }
-                // Add the new entry
                 store.put(entry);
             };
 
diff --git a/js/ui.js b/js/ui.js
index 5793b0b..7e3646a 100644
--- a/js/ui.js
+++ b/js/ui.js
@@ -2187,12 +2187,19 @@ export class UIRenderer {
         // Take random samples from each to form seeds
         const shuffle = (arr) => [...arr].sort(() => Math.random() - 0.5);
 
-        const seeds = [
+        const combined = [
             ...shuffle(playlistTracks).slice(0, 20),
             ...shuffle(favorites).slice(0, 20),
             ...shuffle(history).slice(0, 10),
         ];
 
+        const seenIds = new Set();
+        const seeds = combined.filter((t) => {
+            if (seenIds.has(t.id)) return false;
+            seenIds.add(t.id);
+            return true;
+        });
+
         return shuffle(seeds);
     }