The First Thing Balasubrahmanyam Told Rahman During 'Roja' Recording

S P Balasubrahmanyam: "He will learn a song in 15 minutes, sing it in 10 minutes and go for the next recording. I don't think I've ever seen a singer like that," A R Rahman said

source https://www.ndtv.com/entertainment/s-p-balasubrahmanyam-the-first-thing-spb-told-a-r-rahman-during-roja-recording-2301400