When it comes to analyzing behavioural patterns in children, SDQ (Strengths and Difficulties Questionnaire) and BPI (Berkeley Puppet Interview) are two well-recognized methodologies used by psychologists. Both bring unique perspectives and insights, making a comparison between the two, often referred to as SDQ vs BPI, fundamentally essential for a comprehensive understanding. Harmony, powered by Natural Language Processing and generative AI models, provides a convenient platform to make this comparison in a thorough yet simplified manner. The SDQ vs BPI comparison becomes significantly easier using Harmony. Ideally, psychologists are compelled to manually match items from these two questionnaires, which often results in a time consuming and subjective process. Harmony, however, automates this task by comparing each item in the SDQ and BPI to give a percentage match, eliminating subjective bias and saving valuable time. Furthermore, Harmony supports multiple languages, making the comparison much more flexible and globally applicable. Campaigning for the use of Harmony in the SDQ vs BPI comparison is hence a call for efficiency, objectivity and ubiquitous applicability. Not only does it streamline the harmonisation process, but it also allows researchers to test the consistency of results across various studies. With Harmony, hence, the SDQ vs BPI analysis is not just an academic exercise, but a step towards a more global and in-depth understanding of child psychology.