Music Analyzer · rtfirst bundle Analyzes music files (MP3, WAV, FLAC, M4A, OGG) and produces a detailed music and lyrics analysis including genre recognition, mood analysis, BPM, key, instrument detection and lyrics interpretation. Uses HDEMUCS for vocal separation, Whisper for lyrics transcription and librosa for audio feature extraction with CUDA GPU acceleration. Use this skill when the user wants to analyze a music file, examine a song, transcribe lyrics, or asks questions like "analyze this song", "what genre is this", "transcribe the lyrics", "what mood does this song have", "what instruments do I hear", "how fast is the song", "what key is it in", "music analysis", "song analysis", "audio analysis", "detect BPM", "determine key", "detect genre", "analyze song".