Pema Trinley, 22, and Chakdor, 32, two Tibetan singers, have been released after serving four years in a Chinese prison. They were arrested in July 2012 following the release of their album Agony of Unhealed Wounds which honours Tibetan self-immolators as well as praising HH the Dalai Lama. They were sentenced in a secret court in 2013. They come from Meuruma nomadic village in Ngaba.