graph TD A[AudioExtractorAgent Output: Three MP3 URLs] --> B{StemSeparatorAgent} B --> C[#204: Extract Instrumental & Vocal From 1st MP3] B --> D[#204: Extract Instrumental & Vocal From 2nd MP3] B --> E[#204: Extract Instrumental & Vocal From 3rd MP3] C --> F[Save 1st Instrumental MP3] C --> G[Save 1st Vocal MP3] D --> H[Save 2nd Instrumental MP3] D --> I[Save 2nd Vocal MP3] E --> J[Save 3rd Instrumental MP3] E --> K[Save 3rd Vocal MP3] F --> L[StemSeparatorAgent Output: Six MP3 URLs] G --> L H --> L I --> L J --> L K --> L