The song "Merry Old Land of Oz" is from the musical "The Wizard of Oz" and was later included in the film adaptation. It is sung by the characters Tin Man, Scarecrow, and Lion as they celebrate their arrival in the magical land of Oz. The lyrics describe the joyful and carefree atmosphere in Oz, where laughter and happy tunes fill the air. The characters express their delight at being in this enchanting place and how they spend their days with enjoyment. The lines "Ha - ha - ha, Ho - ho - ho" and "And a couple of tra - la - las" emphasize the merry and lighthearted nature of the land, while "Bzz - bzz - bzz, Chirp - chirp - chirp" and "And a couple of La - di - das" represent the sounds of nature, such as crickets and birds, that add to the joyful ambiance. The song also highlights the whimsical schedule of the characters in Oz. They rise late at twelve, start work at one, take a long lunch break, and finish at two, suggesting the easygoing lifestyle in this magical place. The repetition of the line "Jolly good fun!" further reinforces the overall sense of joy and happiness. Overall, "Merry Old Land of Oz" is a celebratory song that encapsulates the enchantment and happiness found in the magical world of Oz.