Janette Oparebea Nelson, (born 10 April 1971) known by her stage names MC Opi and Opi Nelson is a multi-instrumentalist, spoken word artist, music and documentary producer.The Monthly Australia's popular magazine of politics, society and culture wrote Nelson "blazed a trail as a producer and guest artist...".She is most known for being the first female music artist to receive national recognition in Australia for a Hip Hop and Dancehall performance as a guest artist on the Christine Anu (ARIA award winning Australian indigenous singer and song writer) and Paul Kelly (a prolific ARIA Award winning Australian folk singer and songwriter), 1994 ARIA nominated, single, "The Last Train".