Hilda Mae Heifer is once again ready to sing her glorious mi-mi-moo! So why does Hilda look so down in the dumps? Even Hilda"s moo is sounding more like a boo-hoo. Perhaps Hilda needs a little doodle-do to accompany her moo-moo-moo? Hilda"s friends on the farm decide it"s high time to find their blue bovine the perfect singing partner. Let the auditions begin! This boisterous follow-up to Moo Who? continues the hilarious antics of a moosic-making cow.