👉 A rampancy is a phenomenon in which a wave of sound or vibration (usually a musical note) can be perceived as a continuous sequence of notes, with no pauses between them. It typically occurs when there are multiple sources of sound simultaneously playing at the same time, such as a string quartet playing a piece together. The term "rampancy" is often used to describe this phenomenon and refers to the idea that it can be perceived by human listeners as one continuous sequence of notes rather