graph TD A[Start Agent Flow] --> B[YouTube to MP3] B --> C[Audio Separator] C --> D[Summary Compiler] B --> B1[Process URL 1] B --> B2[Process URL 2] B --> B3[Process URL 3] B1 --> B4[Download MP3 1] B2 --> B5[Download MP3 2] B3 --> B6[Download MP3 3] C --> C1[Process MP3 1] C --> C2[Process MP3 2] C --> C3[Process MP3 3] C1 --> C4[Extract Vocals 1] C1 --> C5[Extract Instrumental 1] C2 --> C6[Extract Vocals 2] C2 --> C7[Extract Instrumental 2] C3 --> C8[Extract Vocals 3] C3 --> C9[Extract Instrumental 3] D --> D1[Collect all URLs] D1 --> D2[Format Summary] D2 --> D3[Generate Summary File] D3 --> E[End]