The Music Fairies need Rachel and Kirsty's help! Jack Frost and his goblins have stolen the fairies' magic musical instruments. They're going to use them to win a national talent contest! But this time, the stakes are higher than ever. If Jack Frost wins the contest, everyone in the human world could find out about Fairyland. Can the girls track down the instruments and help protect their fairy friends? Jack Frost's goblin band has Victoria's magic violin! Rachel and Kirsty are determined to get it back, even if they have to crash the goblins' band practice.