Produce an upbeat, Country song in the key of G major with Classical influences, capturing the playful and endearing story of a baby goat named Isaac. Infuse the composition with a light-hearted and humorous mood, emphasizing the quirky aspect of Isaac's large balls while exploring the mystery behind his incessant crying. Incorporate a catchy melody, lively instrumentation, and a blend of traditional and modern Country elements to create an entertaining and memorable track.