Jack is a super swell preschooler and the star of the show. Every day Jack gets to spend his own special time in his favorite
place in the world: his backyard clubhouse. It's here that Jack meets up with his dog Mel and his best friend Mary and he gets to do what he loves best: make music, sing, dance, and have a great time! Jack's interest in learning all kinds of music leads him to discover melodies in the most unpredictable places, like finding rhythms in raindrops and musical tunes from tiny bugs. To Jack, music is the greatest. There's always something unpredictable going on in the clubhouse
and Jack has a way of using music to save the day.
Mary is Jack's best friend. She mostly plays the accordion, but loves to pick up any other instrument and dabble with it. She knows
how to play some things on the harp, and has a soft spot for opera music. She's been Jack's neighbor ever since they were born. Mary and Jack go together like "rock and roll." Mary is the calmer and more practical one, but she's always ready for adventure. Mary's love of music and knack for problem-solving makes her a perfect match for Jack.
Mel is Jack's faithful dog. He is bright purple with lime green stripes--a special breed indeed! Mel doesn't miss a beat on the drums or about what's happening around the clubhouse. Although he only barks (except for the episode in which he thinks he's a cat!), Jack understands him completely and they're more like best friends than pet and owner. He's also the techno-Mr.-Fix-It-custodian-idea-guy-suggestionmaker-cake-baker dog! Mel uses his greatest invention, Mel's Marvelous Music Machine, to let us tune in to videos, remote locations, weather reports and just about anything else!