In the 6th chapter of his book, The Forest Within (1996), Gerardo Reichel-Dolmatoff wrote an intriguing an beautiful text about the rainforest. Quote: ‘All sounds in the forest are coded and are thought to transmit precise messages. The principal and most permanent sounds are those made by insects…’The insects sing to the energies’, say the Indians…’
(The Forest Within, page 146-147, pdf)