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^ "Spotify Knows Me Better Than I Know Myself".^ "The Echo Nest Teams with SiriusXM for MySXM"."eMusic to Launch Echo Nest Powered Smart Music Discovery Apps". "Echo Nest Enables BBC to Deliver Unique Musical Content". "Island Def Jam Partners with the Echo Nest To Create Opportunities For Developers". "MTV Unveils New Music Discovery Website". "Make your own Shazam? There's an API for that called Echoprint". "Million-song dataset: take it, it's free". ^ Important API Announcement, March 29th 2016.^ "Turns Out Spotify Acquired The Echo Nest For Just €50M"."The Echo Nest Raises $7 Million For Music Personalization Platform". "The Echo Nest secures $7m in financing". ^ a b The Boston Globe (5 October 2010)."The Echo Nest Makes Pandora Look Like a Transistor Radio". These playlists include "Your Favorite Coffeehouse" and "TGIF". From the search results, the employee can hand pick songs perfect for any playlist. To create these playlists, one of Spotify's thirty-two resident music experts will use the Truffle Pig search engine to find songs associated with a quality or theme. They are created in part by the algorithms associated with The Truffle Pig and in part by the music experts employed by Spotify. Playlists curated by Spotify are available for public access. The search can also be redacted for particular qualities to produce higher levels of specificity. The Truffle Pig is a sonically advanced search engine that can be asked to search for songs based on adjectives or feelings. The Echo Nest has created an internal tool for Spotify and Echo Nest employees called The Truffle Pig, which is used in Spotify to curate mood and occasion specific playlists. One Echo Nest employee has created a categorical perception spectrum of genres and subgenres based on "an algorithmically-generated, readability-adjusted scatter-plot of the musical genre-space, based on data tracked and analyzed for 4,341 genre-shaped distinctions by Spotify" called Every Noise at Once. Taste Profiles and clusters are not publicly available for individual users to access but have been released to journalists and researchers. Taste Profiles are an amalgamation of taste clusters of genres and subgenres. The Echo Nest has created Taste Profiles based on the listening patterns they notice about a user. To generate individualized Discover Weekly playlists as well as recommend suggestions in the 'Discover' section of Spotify's home page, individualized for every subscriber, the Echo Nest collects data on a user's listening habits and uses it to predict what music they will enjoy the most. The Echo Nest is the driving force behind the playlists professionally curated on Spotify.
The music intelligence agency functions to help Spotify curate personalized music recommendations that are driven by algorithms. The Echo Nest was acquired on 6 March 2014, by music streaming service Spotify. The data powered music solutions for customers such as MTV, Island Def Jam, BBC, MOG, Warner Music Group, eMusic, Spotify, Rdio, Clear Channel, VEVO, Nokia, SiriusXM and Thumbplay. In June 2011, the company released Echoprint, an open source and open data acoustic fingerprinting library. The company was a co-organizer of Music Hack Day.
The Echo Nest released data on 1 million songs for research purposes. The API was shut down on, and developers were encouraged to use the Spotify API instead. The company also made its data available to developers via an API used by over 7,000 developers to build independent music applications. The Echo Nest's product line was based on their automatically derived database of data about 30 million songs aggregated from web crawling, data mining, and digital signal processing techniques. In March 2014, The Echo Nest was acquired by Spotify for 49.7 million euro, consisting of cash and Spotify's equity. In October 2010, The Echo Nest received a $7 million venture financing from Matrix Partners and Commonwealth Capital Ventures. The Echo Nest was founded in 2005 from the dissertation work of Tristan Jehan and Brian Whitman at the MIT Media Lab.