graph TD A[Beat Analyzer Subagent] --> B{MP3 URL} B --> C[Skill #195 - Extract Beatpoints & Tempo of MP3] C --> D[Output: Detailed breakdown of beatpoints, downbeats, and tempo BPM] D --> E[Skill #178 - Rewrite Text Based On Instructions] E --> F[Output: Formatted JSON file containing tempo, time signature, beatpoints, downbeats, and bar count] F --> G[beat-tempo-info JSON file URL internal and external]