Thirty-seven years after Asia’s first Nobel laureate, the Bengali cultural polymath Rabindranath Tagore, declared himself a ‘madcap baul’ in his Hibbert lecture in Oxford, UK – in a display of affinity towards the secular, rustic musical sect of the bauls – a group of five baul singers from Tagore’s homeland landed in San Francisco, then the heartland of hippie culture in the US, in September 1967.