They filter in half an hour before Sanjay Subrahmanyan’s fourth concert of the December music season at the Brahma Gana Sabha. Exchange pleasantries and enquire if the others have reached. “Where is Prabha Mami?” asks one of them. Oh! She is already in the balcony queue. Somebody answers. The lights dim and they are all seated in the large hall. You can’t see them in the darkness but feel their enthusiasm—their shared love of music and for the 50-year-old vocalist, a Carnatic music superstar.