If Rachel and Kirsty don't act fast, everyone could find out about Fairyland!

Ten instruments take their parts, one by one, in a musical performance.

After fourth-grade scientist Curious McCarthy observes her dad fixing their doorbell, she starts to wonder about the science of sound. Meanwhile at school, it's time for Curious to pick an instrument for band. Curious chooses the flute, but the band director says Curious's lips are all wrong for the slim woodwind. Can that be true, and if it is, can science help Curious find her perfect instrument? A sound-related science experiment will have readers...

When Victoria's middle school band instructor asks for a volunteer to play the flute, both Victoria and her best friend Bea want to do it. As they prepare to audition in front of the other band members, Victoria hopes to keep the competition friendly, but with only one piccolo spot open, that could be difficult.

A rockin' goblin has Ellie the guitar fairie's instrument, and he won't give it up without a fight! Can Rachel, Kirsty, and Ellie outsmart this guitar star?

A group of toddlers enjoys a lively music class including, at last, one very shy two-year-old boy.

The song "I know an old lady who swallowed a fly" provides inspiration for this story of a shy person who literally develops an appetite for musical instruments ranging from popular to classical and from large to small.

Cowboys Tyrone, Pablo, Austin, and Cowgirl Uniqua are on their way to a polka palace party in Wyoming when they run into trouble and lose their instruments. Now they must work together as a team to be able to play at the party.

A musical family with talents for playing a variety of instruments enjoys getting together to celebrate.