Jerry van Bergen on Instagram: "The Science of the Mashup 👇 A mashup isn’t just layering two tracks — it’s colliding worlds. Every acapella choice, instrumental pairing, and key change is used to trick the brain into hearing something new in something familiar. It plays with expectation vs. reality. The crowd recognizes the lyrics instantly, but the body reacts to the new drum pattern. It satisfies two needs at once: the need to sing along and the need to dance harder. The contrast creates the

17 Best A Cappella Groups Of All Time - Music Grotto

16 Of The Greatest And Most Famous A Cappella Groups