graph TD A[Input: filtered-tracks] --> B[Extract Track 1 Info] A --> C[Extract Track 2 Info] A --> D[Extract Track 3 Info] B --> E[Oracle Search Track 1] C --> F[Oracle Search Track 2] D --> G[Oracle Search Track 3] E --> H[Parse YouTube URL 1] F --> I[Parse YouTube URL 2] G --> J[Parse YouTube URL 3] H --> K[Download MP3 1] I --> L[Download MP3 2] J --> M[Download MP3 3] K --> N[Combine Results] L --> N M --> N N --> O[Output: downloaded-mp3-files] subgraph SILO 1 B E H K end subgraph SILO 2 C F I L end subgraph SILO 3 D G J M end subgraph SILO 4 N end