This library in Java language for the Spotify Echo Nest API provides access to the Track Analysis API. With this resource, developers can obtain track's loudness, mode, key, tempo, signature, detailed beat structure, harmonic content, and timbre information. See examples with hottest songs, static playlists, and similar artists at https://github.com/echonest/jEN/tree/master/src/com/echonest/api/v4/examples
Event ticketing service SeatGeek has made its internal recommendations service available in the SeatGeek API. Developers can now integrate the advanced recommendations functionality of the SeatGeek platform into websites and applications.
When it comes to mashups submitted to our directory, those helping users search for and discover new music consistently rank among the most popular. The number and variety of music services including metadata, social and streaming continues to grow and give developers more tools with which to build their apps. The list below includes some of the recent mashups of note.
Shoutcast maintains a radio directory of 50,000+ radio stations from all around the world. The company, owned by AOL, released its first Shoutcast API a few years ago, but has since released version 2.0. The updated API provides developers with more advanced options for integrating music streaming services into web services and mobile applications using RESTful calls formatted in XML, JSON and RSS.