graph TD A[Input: youtube-mp3-file] --> B[BPMCALCULATOR Subagent] B --> C[Silo 1: Beat Extraction] C --> D[Skill #180: Extract Beatpoints & Tempo] D --> E[Output: Textual Breakdown with Tempo Info] E --> F[Silo 2: Parse BPM] F --> G[Skill #223: LLM Parse BPM Value] G --> H[Output: bpm-value] H --> I[Final Subagent Output: Single BPM Number]