Stuart Nicholson wrote in the BBC Music magazine of the "Rarum" series: "... selected by the artists themselves, this series is of enormous importance in revealing the breadth of each artist's work, as much for the converted as the unconverted looking for a window into the remarkable ECM catalogue". The complexity of Brazil, it's interweaving of cultures, finds it's echo in the music of Egberto Gismonti who draws on resources both "sophisticated" and "primitive"- from European classical music to the samba school to the music of the Xingu Indians and the sounds of the rainforest, from folk musics, from jazz. Highly trained as a pianist, Gismonti adapted pianistic technique in innovative manner on his customised 8- and 10- and 14-string guitars. It is his guitar artistry which is at the forefront of his : rarum collection.