Automated Spotify playlist organizer - sort and queue tracks by popularity

🎧 Automated Spotify Playlist Organizer — Sort and Queue Tracks by Popularity

🧠 Overview

This workflow acts as your AI-powered Spotify DJ assistant. It retrieves your playlists, cleans and organizes them, sorts tracks by popularity, and automatically queues them for playback — creating a ready-to-play, personalized listening session.

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⚙️ Step-by-Step Breakdown

1. Manual Trigger

Node: When clicking ‘Execute workflow’ Starts the workflow manually when you click “Execute” in n8n.

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2. Get User’s Playlists

Node: Get a user’s playlists • Uses your Spotify OAuth credentials. • Calls Spotify’s API to retrieve all playlists from your account (returnAll: true). • Output: an array of playlists (name, URI, number of tracks, etc.).

🟢 This is your raw data source.

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3. Clean & Deduplicate

Node: Clean & Deduplicate (Code node) This JavaScript block: • Normalizes input (handles arrays and multiple items). • Extracts only useful fields: name, uri, total. • Filters out playlists missing data. • Removes duplicates by URI.

🧹 Result: a clean, uniform list of your playlists.

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4. Get a Playlist’s Tracks

Node: Get a playlist’s tracks by URI or ID • Fetches all tracks from a specific playlist. • Returns detailed info: name, popularity, artists, album, added date, etc.

🎵 This retrieves the actual songs from your chosen playlist.

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5. Playlist Reorganizer

Node: Playlist reorganizer (Code node) This JavaScript block: • Collects all tracks from the selected playlist. • Avoids duplicates with seenTrackIds. • Extracts key fields: id, name, popularity, artists, album, added_at, url, etc. • Sorts songs by ascending popularity (less popular first).

📊 Result: playlist reorganized by song popularity.

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6. Loop Over Items

Node: Split in Batches • Iterates over each track one by one. • Sends each song sequentially to the next node (“Add a song to a queue”).

🔁 Allows each song to be processed individually.

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7. Add a Song to a Queue

Node: Add a song to a queue • Uses each song’s Spotify ID to add it to your Spotify playback queue (spotify:track:{{ $json.id }}). • Connected to the “Loop Over Items” node to continue until all songs are queued.

🎶 Result: your Spotify queue fills automatically with the reorganized tracks.

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✅ Final Result

When you execute this workflow: 1. It fetches all your playlists. 2. Cleans and filters them. 3. Extracts tracks from one selected playlist. 4. Sorts them by popularity. 5. Adds them to your playback queue.

🎧 End result: a fully automated “AI DJ” that reorganizes your playlists and lines up your music session — from discovery to playback.

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🪪 Prerequisites

Before using this workflow: • You must have a Spotify account. • You need to set up Spotify OAuth credentials in n8n (Client ID, Client Secret, Redirect URI). • Ensure you have Spotify Premium (API queueing only works on Premium accounts).

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🛠️ Setup Instructions 1. Import this workflow into your n8n instance. 2. Go to the Spotify OAuth2 API credentials section and connect your account.