graph TD A[User Input: YouTube URL] --> B[AUDIODOWNLOADER] B --> C[MP3 File] C --> D[SOURCESEPARATOR] C --> E[BPMCALCULATOR] D --> F[Instrumental MP3] D --> G[Vocal MP3] E --> H[BPM Value] F --> I[Final Output] G --> I H --> I I --> J[Process Repeats for Next URL] J --> |Up to 3 times| A