RBR.Music on Instagram: "Javier Playing a leaf. Playing a leaf as an instrument is one of the simplest and most poetic forms of music making, rooted in folk tradition, childhood experimentation, and the universal human urge to pull sound from whatever is at hand. Long before formal instruments were owned or invented, people learned that a single leaf, held just right, could sing. The basic technique is deceptively simple. A fresh, flexible leaf is best something not too thick, not too brittle. P