For a decade now Shazam, the song identification mobile phone app, has been settling bets, discovering new artists and unearthing guilty pleasures for its users. With over a million and half new users each week, the company’s recent growth has been exponential and its big data analytics have opened a range of new possibilities for expansion. Dominic Pollard visited the company’s London headquarters (that’s right, Shazam is a UK company) to speak to its CTO Jason Titus to find out the magic behind the technology.