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Re:How bad is your Spotify? by Alupis on Wednesday December 23, 2020 @07:00PM (#25523729)
A big part of the algos was the "Music Genome Project"[1] as well. This allowed their recommendations to be about the music itself instead of just what other people also listened to, leading to some amazing music recommendations/discoveries.

[1] https://en.wikipedia.org/wiki/Music_Genome_Project

Re:How bad is your Spotify? by smcnally on Wednesday December 23, 2020 @07:34PM (#25523964)
Thank you this helps -- the "Music Genome Project" was part of this fork & schism. Pandora says little about it[0], and the open portions[1] were last updated in 2014.

At least someone's still at it, and all this helps me find my notes from that time.

https://github.com/LDugar/MusicGenome/raw/master/Decoding-th...

[0]http://www.pandora.com/about/mgp [1]https://github.com/omgDB

Re:How bad is your Spotify? by Alupis on Wednesday December 23, 2020 @07:43PM (#25524033)
My guessing is a lot of it went proprietary once competition started popping up trying to also make good music recommendations. "Secret sauce" and all...