The R&R Music REST API provides access to information on millions of songs with multiple data points. The API allows for searching through the R&R music catalog through metadata and sound parameters like BPM, mood, and genre cloud. The API also provides music recommendations based on songs uploaded and retrieved. R&R Music provides an API for developers to create applications with their music and music data catalog.
Considering how many APIs were added to our directory during 2015, it's nearly impossible for developers to take notice of all the unique and important innovation that the API world is driving. Here, we highlight some interesting technology we've seen this year that developers may have missed.