The true test came on a rainy Tuesday. He was in a tense meeting, his manager yelling about a server outage. Suddenly, the melody pierced through—Amma’s humming, her laugh. The room went quiet. Sundaram calmly picked up the phone.

Sundaram was a man of silence. He worked the night shift at a data center in Singapore, surrounded by the low hum of servers. Back in his tiny rented room, he kept the world out with noise-canceling headphones.

“Yes, Amma. Sapidacha? ( Have you eaten? )” he asked, even though it was 7:15 AM for her and 9:45 PM for him.

He recorded her on his phone. Just ten seconds. “Sundara… saptam swaram thavara pogudhu da…” ( “Sundaram… the seventh note is slipping away, son…” ) She laughed at the end, a soft, breathy giggle.