Lomax, Delta, and Amy sing a song with a goat who plays the ukulele, they learn a dance called the Hula, and Lomax gets a flea bath.
Lomax, Delta, and Amy help a silly man stop singing a silly song by getting him to sing a song about a hen, and dance to music by Beethoven.
The Melody Hound Express travels out West, and Lomax tracks down a cowgirl singing to her horse.
Conductor Fred's Grandma visits the caboose and everyone sings everything they say.
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Delta takes a walk outside and meows with a man and his mule, and sings "Kitty in the Straw!"
Amy, Delta and Lomax head to Arkansas in search of a fiddle player who knows the song, "Arkansas Traveler". Amy teaches Lomax the sound of the fiddle and then sends him out to look for the fiddle player when he hears the fiddle.
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Lomax, Delta, and Amy sing with a turkey and a bear that comes over the mountain.
Lomax, Delta, and Amy dance with a horse, a mailman sings a song called "Crabfish," and Delta is sorry she tried to eat a crab.
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