Music Producer Chatbot 🎵🎤 using Gemini + Suno (via Kei AI) & Google Drive Upload

This workflow creates an AI-powered chatbot that generates custom songs through an interactive conversation, then uploads the results to Google Drive.

This workflow transforms n8n into a complete AI music production pipeline by combining:

• Conversational AI
• Structured data validation
• Tool orchestration
• External music generation API
• Cloud automation

It demonstrates a powerful hybrid architecture: LLM Agent + Tools + API + Storage + Async Control Flow

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Key Advantages

1. ✅ Fully Automated AI Music Production

From idea → to lyrics → to full generated track → to cloud storage All handled automatically.

2. ✅ Conversational UX

Users don’t need technical knowledge. The AI collects missing information step-by-step.

3. ✅ Smart Tool Selection

The agent dynamically chooses:

• Songwriter tool (for original lyrics)
• Search tool (for existing lyrics)

This makes the system adaptive and intelligent.

4. ✅ Structured & Error-Safe Design

• Strict JSON schema enforcement
• Output parsing and validation
• Cleanup of malformed LLM responses

Reduces failure rate dramatically.

5. ✅ Asynchronous API Handling

• Uses webhook-based resume
• Handles long-running AI generation
• Supports multiple song outputs

Scalable and production-ready.

6. ✅ Modular & Extensible

The architecture allows:

• Switching LLM provider
• Changing music API
• Adding new tools (e.g., cover art generation)
• Supporting different vocal styles or languages

7. ✅ Memory-Enabled Conversations

Uses buffer memory (last 10 messages) Maintains conversational context and continuity.

8. ✅ Automatic File Management

Generated songs are:

• Automatically downloaded
• Properly renamed
• Stored in Google Drive

No manual file handling required.

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How it Works

Here's the flow:

1. User Interaction: The workflow starts with a chat trigger that receives user messages. A "Music Producer Agent" powered by Google Gemini engages with the user conversationally to gather all necessary song parameters.

2. Data Collection: The agent collects four essential pieces of information:

• Song title
• Musical style (genre)
• Lyrics (prompt) - either generated by calling the "Songwriter" tool or searched online via the "Search songs" tool
• Negative tags (styles/elements to avoid)

1. Validation & Formatting: The collected data passes through an IF condition checking for valid JSON format, then a Code node parses and cleans the JSON output. A "Fix Json Structure" node ensures proper formatting with strict rules (no line breaks, no double quotes).

2. Song Generation: The formatted data is sent to the Kie.ai API (HTTP Request node) which generates the actual music track. The workflow includes a callback URL for asynchronous processing.

3. Wait & Retrieve: A Wait node pauses execution until the Kie.ai API sends a webhook callback with the generated songs. The "Get songs" node then retrieves the song data.

4. Process Results: The response is split out, and a Loop Over Items node processes each generated song individually. For each song, the workflow:

• Downloads the audio file via HTTP request
• Uploads it to a specified Google Drive folder with a timestamped filename

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Setup steps

1. API Credentials (3 required):

• Google Gemini (PaLM) API: Configure in the two Gemini Chat Model nodes
• Gemini Search API: Set up in the "Search songs" tool node
• Kie AI Bearer Token: Add in the HTTP Request nodes (Create song and Get songs)

1. Google Drive Configuration:

• Authenticate Google Drive OAuth2 in the "Upload song" node
• Verify/modify the folder ID if needed
• Ensure the Drive has proper write permissions

1. Webhook Setup:

• The Wait node has a webhook ID that needs to be publicly accessible
• Configure this URL in your Kie.ai API settings as the callback endpoint

1. Optional Customizations:

• Adjust the AI agent prompts in the "Music Producer Agent" and "Songwriter" nodes
• Modify song generation parameters in the Kie.ai API call (styleWeight, weirdnessConstraint, etc.)
• Update the Google Drive folder path for song storage
• Change the vocal gender or other music generation settings in the "Create song" node

1. Testing: Activate the workflow and start a chat session to test song generation with sample requests like "Write a pop song about summer" or "Find lyrics for 'Bohemian Rhapsody' and make it in rock style"

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