Code for the chapter published in the Statistical learning book by Elsevier publication. In this Divy and I present our thesis under Prof V Haragopal - Bits-Pilani. Our thesis was on feature extraction, and classification of sound waves and compiled it as a simple book chapter. We comapred KNN, LDA QDA and Neural Nets on classsification by extracting close to 20 different features from the GTZAN audio waves. This got published as a book chapter in Elsevier's book named Statistical Learning.