Charango player and composer. Educated in philosophy and lecturer at La Paz University, Juan Jorge is also a writer and researcher. He teaches and has written an instructional manual on the charango and is researching material for a BBC documentary about Bolivian festivals.

Lead quena (Andean flute) player and composer. A professional musician for twenty years, Adrian has played with many leading Bolivian groups including Los Trovadores of Bolivia. He is a leading quena-maker and is well-known in Bolivia for his contribution to the development of the art of quena making, pioneering with different materials and techniques.

Lead vocalist and zampoña (panpipe) player and composer. Joined Rumillajta when he was 17, is an instrument maker and has a recording studio in La Paz. Nestor is a highly skilled panpipe player and is the composer of the title tracks of two Rumillajta albums, "Hoja de Coca" and Pachamama".

Guitarist, composer, arranger and second voice. Juan Carlos joined Rumillajta when he was 19 and is currently studying communications science at La Paz University.

Zampoña (panpipe) player and percussionist. A very experienced young musician who joined Rumillajta in 1991. Carlos has accompanied many of Bolivia's foremost musicians including Jenny Cardenas, Emma Juanara and Luis Rico and has toured in Latin America, Europe and the Unites States.

Text and images copyright Diana Scrafton and Rumillajta.