Update README.md

Author: ElizaLo

Music Genre Classification/README.md

@@ -2,3 +2,7 @@
 
 - [Какую музыку вы слушаете? Жанровая классификация на Python](https://proglib.io/p/python-music-classifier/)
 - [**Abstract** - Music Genre Classification](http://cs229.stanford.edu/proj2016/report/BurlinCremeLenain-MusicGenreClassification-report.pdf)
+- [**Abstract**](http://cs230.stanford.edu/files_winter_2018/projects/6933713.pdf)
+- [**Abstract** - Hidden Markov Classification for Musical Genres](http://www.music.mcgill.ca/~ich/classes/mumt611_06/similarity/GenreHMM.pdf)
+- [Computer audition)](https://en.wikipedia.org/wiki/Computer_audition)
+- [Mel-frequency cepstral coefficients (MFCCs)](https://en.wikipedia.org/wiki/Mel-frequency_cepstrum)