Apple has announced it has completed its acquisition of Shazam, one of the world’s most popular and highly-rated music apps, used by hundreds of millions of people worldwide.

“Apple and Shazam have a long history together. Shazam was one of the first apps available when we launched the App Store and has become a favorite app for music fans everywhere,” said Oliver Schusser, Apple’s VP of Apple Music. “With a shared love of music and innovation, we are thrilled to bring our teams together to provide users even more great ways to discover, experience and enjoy music.”

Shazam lets users identify songs simply by listening to the music playing around them. The app will soon offer its experience ad-free for all users so everyone can enjoy the best of Shazam without interruption.

Shazam has been downloaded over 1 billion times around the world, and users identify songs using the Shazam app over 20 million times each day.