Musical Comeback!

Plot
A Minion Pig finds an old xylophone. It seems to not work. He keeps trying and eventually gets it. Other pigs seem to look at the xylophone and get stuck in it. The first pig decides to try and get the other pigs out and ends up making them play it. More pigs come with more instruments and start playing them, the pig with the xylophone leaves it for the tiny stuck pigs and starts to sing, a giant banner gets hung up by 2 pigs with hats and the banner says "WE ARE BACK!!".