In the Baroque years of around 1680, Johann Pachelbel from Germany composed his Canon D in Major. Centuries later, that particular meme has spread to YouTube as well in the form of Canon Rock, a search for which yields 19,000 results right now. Below is an example by Japanese user Khaluah20, but at currently 187,000+ views it’s not the most popular example... with over 47 million views, Guitar90’s version (“Practice, Practice, Practice and get a copy of Guitar Master Pro, that’s how I did it!”) ranks higher, creating the 86th most watched YouTube channel.