Canon Rock is a neo-classical metal arrangement of Johann Pachelbel's Canon in D, originally composed by Taiwanese musician JerryC in 2005. It achieved legendary status when a cover by South Korean guitarist Lim Jeong-hyun, known as funtwo, was uploaded to YouTube and became one of the platform's first major viral sensations. The iconic video, featuring funtwo shredding in his bedroom with a hat pulled over his eyes, inspired a generation of guitarists and spawned countless covers and parodies. Today, the meme is used to evoke 2000s internet nostalgia, celebrate technical mastery, or joke about the dramatic transition from classical music to heavy metal.