I only had a second to get my attempt at a portrait. Throughout the whole evening, the only time he wasn't smiling was when he would get into an intense riff on the sitar.
Deep in the Music
Here is one of the infrequent times that he isn't smiling. His fingers flew up and down the neck of his sitar.
Here is a close up of his hand resting on one of his tablas while he explains the different rhythms and beats to us.