For a musician, nothing is more important than hitting the right notes. And as a classical singer and music teacher, it was imperative for Sandy Branary to not only get them right for himself, but also for his students, especially the ones who struggle with it. Indian music is itself very intricate, he says in an interview. And students not being able to hit the right notes is representative of a much bigger problem. And so he thought the best way to help here is through an app