I think that both key analysis and song identification can be obtained by using vamp audio plugins.
For key detection purposes, I think that both Queen Mary and NNLS Chroma and Chordino could be used, while
OFA Vamp plugin "performs audio fingerprinting and lookup using the MusicIP OFA library": http://www.vamp-plugins.org/download.html
I think that both key analysis and song identification can be obtained by using vamp audio plugins. www.vamp- plugins. org/download. html
For key detection purposes, I think that both Queen Mary and NNLS Chroma and Chordino could be used, while
OFA Vamp plugin "performs audio fingerprinting and lookup using the MusicIP OFA library": http://