The medium is the message - music, moves and murals. In our second episode of Ponder, we hear how, despite being oceans apart, American/Australian duo Vallis Alps have been rapidly gaining an international fanbase. We learn from journalist Maziar Bahari about how an important campaign, about the right to education, is given a voice through the medium of street art and finally, we hear how Massachusetts based Mtali Shaka Banda is changing the way jazz is heard, through a socially conscious narrative, influenced by his own hardships.