The new Yamaha soprano and alto recorders are made of the environmentally friendly, biomass material TERRAMAC®, which retains the same durability, strength and appearance as ABS resin while reducing CO2 emissions. This proprietary material is rooted in polylactic acid (PLA), a biomass-derived resin made by fermenting sugar from plants and produces much less CO2 than other plastics as well as reduced fossil fuel usage during production. The use of TERRAMAC® represents not only the world's first application of plant-based materials in a commercially available musical instrument, but Yamaha's continued commitment to developing eco-friendly production processes.