Jack and his best friend Mary and his dog Mel retreat to their backyard clubhouse to do what they love best--make music. Sometimes well-known musicians like Yolanda Adams, Guy Davis, and others drop by to jam with Jack.
Jack, Mel, and Mary help a lost little wolf by introducing him to music. They help him find the one that suits his talents best.
Mel thinks he is a cat after a drum lands on his head. The neighbor Cathy helps Jack and Mary to use her musical skills to make him normal again.
The band has been granted three wishes from a Music Genie after they blew on a unique horn. Jack doesn't feel comfortable with his perfect wish, unlike Mary and Mel who are enjoying their wishes.
A baby Bongo egg hatches inside the clubhouse and Jack, Mary, and Mel help the bird find it's mother by using their instruments to make sounds like the baby bird.
Rain forces Jack, Mel and Mary to bring their marching band inside where they use the sounds of the rain falling and the storm to help them make music.
Jack is scared when Mary invites some new friends to the clubhouse. Mel helps Jack to understand that everyone is not really so different from each other.
Mel throws a dance party and the entire neighborhood attends! DJ Master Mel keeps the music flowing and unexpected.
Jack and Mary are both ready for playtime, the only thing is - each one of them wants to play something different! Jack is intent on exploring space while Mary wants to sing an operetta. They each drag Mel back and fourth on their adventures until he is worn out. Thats when they decide to compromise and the trio preform an opera based in space!
In order to help him grow, Mary brings her new seed Arthur to the clubhouse for some soil, water, sun and most importantly music! Cathy helps the band figure out what type of music Arthur needs to help him really grow big and strong.
Jack, Mary, and Mel show the grumpy squirrel, who is fed up with the music at the clubhouse, all the different ways they can make and use music.
Henry, the monster, isn't as scary as he could be so the band helps him show his emotions through the joy of music.
Jack is the King of Swing's number one fan and he's been selected to meet his idol, but the confusing plans for the day through him off. It's up to Mel and Mary to help him get organized by using music, so they can welcome Chicago legend Buddy Guy to the clubhouse.