"All three works deal with the sound of frogs, though not exclusively, as there is also ???insects (a variety of grasshoppers, leafhoppers, cicadas, crickets, various flying insects); sometimes featuring other animals, such as bats, birds, fish jumping out of water and sounds of weather???, all of which were recorded during the years 2007-2011 around the lakes of Mamori and Yuma in Amazon, Brazil." . . . .