Create hours-long wave music videos with Suno, ffmpeg-api and YouTube

Overview This workflow automatically creates hours-long wave music videos by combining AI-generated music from Suno with a background video, fully automated using n8n and ffmpeg-api. It connects music prompt generation, AI song creation, audio aggregation, video merging, and YouTube publishing into a single end-to-end automation. Once configured, the workflow runs continuously with no manual editing required. This workflow is built for creators producing lo-fi, wave, ambient, or long-play music content who want a reliable and scalable way to generate long-form videos automatically. What can this workflow do? Collect music themes, background video URLs, and track counts via an input form Gene

Help me set up the n8n workflow "Create hours-long wave music videos with Suno, ffmpeg-api and YouTube" (https://n8n.io/workflows/13088). It uses: Google Sheets, HTTP Request, Code, AI Agent, Structured Output Parser, Google Gemini Chat Model. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.