Shazam generates $300 million in music download sales evey year, according to stats from the company.

The discovery platform claims to have lead users to digital music downloads via the likes of Amazon and iTunes, directly linked to its song recognitions activity.

There are likely to be knock-on effects in physical and online sales that are not directly trackable too, Digital Music News reports, according to a Shazam presentation.

Comparing the $300 million figure to IFPI worldwide download statistics, Digital ...