👉 Inter-whistling is a musical technique in which two or more players, typically on different instruments, play music together without using their hands. This can be performed by musicians of various genres and styles, such as jazz, blues, rock, classical, etc. The term "inter-whistling" comes from the fact that it involves playing the same melody over and over again, creating a rhythmic pattern or a musical theme. The technique was first used in the 19th century by
