had multiple .csv files which contained information about songs, its features and genres 2. Cleaning the Data Since the data was huge in size, there was a lot of data cleaning to be done without losing anything 3. Preparing the Data The files had linking columns such as Track_ID and Genre_ID Tracks – Information about the track ID, track interest, track duration Genre – Information about the various genres Echohonest (now Spotify) – contains details about song’s features such as danceability, song hotness, valence etc.