You should be careful with this. Last time I saw an article about reproducing Shazam's algorithm, their lawyers came after them and eventually the article was removed.
There were questions as to the validity of the threats their lawyers used, but even a bulletproof case is a costly endeavor when going up against the scale of companies.
There were questions as to the validity of the threats their lawyers used, but even a bulletproof case is a costly endeavor when going up against the scale of companies.