Okay kiddo, have you ever seen a bunch of superheroes come together to save the day? Just like that, a supergroup in music is when a bunch of really famous musicians or singers come together to make music together!
It's like putting all of your favorite snacks into one big bowl to eat. Sometimes, the musicians are already famous for being in their own bands or as solo artists. But when they join together, it makes their group even more special and exciting!
Just like how different superheroes have different superpowers, each musician also has their own unique style and musical talent. When they combine their talents, it can lead to some really awesome music that people love to listen to. They might go on tour together or even make an album, and their fans get really excited because it's something they've never heard before.
So, basically, a supergroup in music is like having a bunch of amazing musicians team up to create something really cool and unique that people can enjoy listening to. Isn't that super cool?