👉 Anvilling is a type of musical technique in which a soloist performs multiple songs simultaneously, usually in different key combinations. This technique involves using the piano, guitar, or other instruments to play several notes at once, often creating a complex and layered sound that can be heard as a whole. The term "anvilling" is derived from the German word "Anvoll," which means "to fall off." The idea behind anvilling is to create a sense of unity and harmony