The article When a Raga Reveals Its Secret: The Mathematics Inside a Melody by Aruna ES in the Native Circle knowledge repository explores how an ancient Indian system hid mathematics inside the names of ragas, turning music into a bridge between memory, language, and knowledge. Excerpt of the article The Katapayadi System is a remarkable Indian knowledge tradition where music, mathematics, language, and memory converge. Through the lens of Carnatic music, one can see how the names of Melakarta ragas are not merely identifiers but sophisticated numerical codes that reveal a raga's position and structure within an intricate musical framework. Tracing the origins of the Katapayadi system from Sanskrit scholarly traditions to its enduring role in South Indian classical music, the article highlights the ingenuity of ancient scholars who designed knowledge systems that could be remembered, transmitted, and understood across generations. Using the celebrated raga Mayamalagowla as an example, it demonstrates how a simple name can unlock layers of mathematical and musical meaning. More than an account of music theory, the article offers a window into India's interconnected knowledge traditions, where mathematics, language, philosophy, poetry, and the arts were viewed not as separate disciplines but as complementary pathways to learning. In revisiting the Katapayadi system, the article invites readers to reflect on the enduring relevance of holistic modes of thinking that continue to inspire curiosity, creativity, and deeper understanding in the modern world. To read the complete article, click here.