In the vast ocean of Indian film music, there stands a colossus whose shadow stretches across decades, languages, and generations. Illayaraja, often revered as "Isaignani" (The Musical Genius), is not just a composer; he is an emotion for millions. From the rustic rhythms of his early Tamil films to the orchestral grandeur of his later works, his discography is a treasure trove that defines the soundtrack of South Indian cinema.