Two young musicians from Karnataka – Keela Naren and Navya Rudrappa – are challenging preconceived notions about music and caste in southern India. In a collaboration that is now two years old, the two artists have set out on a cultural exploration of the music and instruments of marginalized communities to show that music transcends boundaries. Navya Rudrappa, 29, a Bengaluru-based sitar player, and Keela Naren, 26, a multi-instrumentalist from Karnataka’s Bangarpet…