Yes, I know that many people hate classical music, but I don't. Not to insult any popular music fans, but instead of only using basic cords, classical music has been proven to utilize mathematics. It can convey many emotions, many genius' have composed classical music. It doesn't have to be boring, listen to this entire piece by the famous Russian composer Tchaikovsky:
Now was that so bad? Imagine how much work it took to be able to play that piece for the first time. I'm sorry if I may have insulted anyone, but I enjoy music that moves me. And before you comment, also listen to this, feel free to post videos of your own favorite classical pieces or symphonies. This is a piece that people use for speed competitions, so pay close attention.