diff --git a/README.md b/README.md
index 9d5f45d..e8eff96 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,8 @@ Control Jellyfin music playback from your Pebble with an iPod-like interface.
 - ⛔ = unsupported (does not work well or at all with `jellyPod`)
 ## iOS
 - ✅ [Finamp Beta/Redesign](https://github.com/finamp-app/finamp/tree/redesign) (last tested release: 1.0.1)
+## MacOS
+- ✅ [Finamp Beta/Redesign](https://github.com/finamp-app/finamp/tree/redesign) (last tested release: 1.0.1)
 
 # Opinionated Design Philosophy
 I made `jellyPod` to suite my tastes. Everything listed below is non-negotiable and will not be changed.
diff --git a/src/pkjs/index.js b/src/pkjs/index.js
index 89e7748..00cafe7 100644
--- a/src/pkjs/index.js
+++ b/src/pkjs/index.js
@@ -25,8 +25,7 @@ Pebble.addEventListener("ready", function () {
                 const libObj = JSON.parse(libResp);
 
                 // format response for jellyPod
-                //// build tracks array and lookupMap (currently just binds alpha to artists)
-                let jpTracksArr = [];
+                //// build lookupMap
                 const lookupMap = new Map();
                 let lastAlbumInfo = {AlbumArtist: "", AlbumName: "", AlbumYear: 0};
                 for (const track of libObj.Items) {
@@ -40,23 +39,25 @@ Pebble.addEventListener("ready", function () {
                     }
                     const albumName = track.Album ? track.Album : "unknown album";
 
-                    // register album in lookupMap whenever the album changes (new artist OR new album)
-                    if (lastAlbumInfo.AlbumArtist !== albumArtist || lastAlbumInfo.AlbumName !== albumName) {
-                        const firstChar = Array.from(albumArtist)[0].toUpperCase();
-                        if (!lookupMap.has(firstChar)) {
-                            lookupMap.set(firstChar, new Map());
-                        }
-                        const artistMap = lookupMap.get(firstChar);
-                        if (!artistMap.has(albumArtist)) {
-                            artistMap.set(albumArtist, []);
-                        }
-                        const albums = artistMap.get(albumArtist);
-                        if (!albums.includes(albumName)) {
-                            albums.push(albumName);
-                        }
+                    // insert every track into lookupMap
+                    const firstChar = Array.from(albumArtist)[0].toUpperCase();
+                    if (!lookupMap.has(firstChar)) {
+                        lookupMap.set(firstChar, new Map());
                     }
+                    const artistToAlbumsMap = lookupMap.get(firstChar);
+                    if (!artistToAlbumsMap.has(albumArtist)) {
+                        artistToAlbumsMap.set(albumArtist, new Map());
+                    }
+                    const albumToTracksMap = artistToAlbumsMap.get(albumArtist);
+                    if (!albumToTracksMap.has(albumName)) {
+                        albumToTracksMap.set(albumName, []);
+                    }
+                    albumToTracksMap.get(albumName).push({
+                        TrackName: track.Name,
+                        JfId: track.Id
+                    });
 
-                    // keep lastAlbumInfo in sync for every album change
+                    // consider the album to have changed if the album name OR artist changed
                     if (lastAlbumInfo.AlbumArtist !== albumArtist || lastAlbumInfo.AlbumName !== albumName) {
                         lastAlbumInfo = {
                             AlbumArtist: albumArtist,
@@ -64,17 +65,9 @@ Pebble.addEventListener("ready", function () {
                             AlbumYear: track.ProductionYear ? track.ProductionYear : 1970
                         };
                     }
-
-                    jpTracksArr.push({
-                        TrackName: track.Name,
-                        JfId: track.Id,
-                        AlbumInfo: lastAlbumInfo
-                    });
                 }
 
-                //console.log(jpTracksArr);
-                //console.log("Items:", libObj.Items.length, "Tracks:", jpTracksArr.length);
-                console.log(JSON.stringify([...lookupMap].map(([ch, m]) => [ch, [...m]])));
+                //console.log(JSON.stringify(lookupMap, (k, v) => v instanceof Map ? Object.fromEntries(v) : v));
 
                 Pebble.sendAppMessage({ PKJS_READY: 1 });
             });