graph TD A[Start - Input: YouTube URLs] --> B[Subagent1: YouTubeToMP3] B --> C[Download Video 1] B --> D[Download Video 2] B --> E[Download Video 3] C --> F[MP3 URL 1] D --> G[MP3 URL 2] E --> H[MP3 URL 3] F --> I[Collate MP3 URLs] G --> I H --> I I --> J[Return Unified MP3 URL List] J --> K[Subagent2: AudioSeparator] K --> L[Process MP3 1] K --> M[Process MP3 2] K --> N[Process MP3 3] L --> O[Vocals 1 & Instrumentals 1] M --> P[Vocals 2 & Instrumentals 2] N --> Q[Vocals 3 & Instrumentals 3] O --> R[Collate All Stems] P --> R Q --> R R --> S[Subagent3: SummaryCompiler] S --> T[Create summary.txt] T --> U[End - Final Summary]