4-track  

"An example of Lee "Scratch" Perry's inventive music production style was his ability to overdub layers of sound effects and instrumentation on each recording track of a basic 4-track machine, with such precise timing and in such a way that the resulting sound would destroy the competition from Jamaica's other top producers using the latest 16-track mixing consoles. Perry once buried microphones at the base of a palm tree and thumped it rhythmically to produce a mystifying bass drum effect; his drum booth at the Black Ark Studios was for a time surrounded with chicken wire to further his distinctive sound; many of his songs are layered with a variety of subtle effects created from broken glass, ghastly sighs and screeches, crying babies, and a mooing cow children's toy. These and other notable recording techniques helped define the Black Ark sound, as well as Lee Perry's creative legacy." --Sholem Stein