https://www.youtube.com/watch?v=-uE1Dho_3UA&feature=related that song, requires SO much technical excellence https://www.youtube.com/watch?v=EPaUZ6EB89A&feature=related which is only evident when someone fucks it up by being "good" but not excellent. https://www.youtube.com/watch?v=xXarfylo2xY&feature=related and that's just fail.