Founded in 2000, the song-recognition service claims to be responsible for a tenth of all downloaded musicCall a company “Shazam”, and it needs to be doing something magical.Last week, the 15-year-old British business managed that, at least in part: a $30m (£19.9m) investment for just under 3% of its shares. That meant it became one of only half a dozen UK technology startups valued at $1bn or more – joining Powa, Wonga, Monitise, Zoopla and, as of Monday, money transmission business Transferwise. Continue reading…