He didn't just sample folk music; he symphonized it. Take Nadanam Adindhom from Mudhal Mariyadhai (1985). Listen closely. The nadaswaram and thavil (temple instruments) aren't just playing a tune; they are dueling with cellos and violins. He created a seamless bridge between the dusty village street and the grand concert hall. Songs like Oru Kili Oru Kili from Udhaya Geetham are not just hits; they are aural paintings of rural innocence, layered with countermelodies that reward a hundred listens. This is the great irony of Raaja. He is a master of counterpoint, fugues, and Bach-inspired harmonic structures, yet his most beloved songs are deeply, irrevocably Tamil. He taught a generation to love the acoustic guitar and the saxophone without ever forgetting the veena and the mridangam .

He gave Tamil cinema its musical grammar. Before him, there was sound. After him, there was meaning .

Recommended deep dive for the uninitiated: Do not start with a playlist. Start with one film: Mouna Ragam (1986). Listen to every song, then listen again, but this time, turn off the vocals. Just listen to the background strings and the bass. You will never hear music the same way again.