Initially the main problem was integrating component python files into a single working application. Then we tried to build our karaoke using server application. We used flask to build web application but server side handling was very tough for us. It was troublesome for us to take song inputs from user and produce vocals and instrumental cover for karaoke. Getting real time feedback about user's pitch was very laggy and difficult so we sorted to first recording user's song and then comparing it with the saved audio file to display a graph and give feedback in the form of score. So we saved some audio and lyric files on our system to solve the handling problem. Still using server was troublesome so we shifted to using tkinter to make python GUI instead of using web dev. Other miscellaneous obstacles were setting up the GUI and making it more user friendly.