Abaci /'ab uh, kai,/ Noun, plural (Singular: abacus /'ab uh, kus,/) A device for making arithmetic calculations, consisting of a frame set with rods on which balls or beads are moved.
A Perfect Circle, The Clash, Dead Kennedys, Deftones, Incubus, KoRn, Megadeth, Meshuggah, Mudvayne, Mr. Bungle, Nine Inch Nails, Queens of the Stone Age, Primus, Rage Against The Machine, Red Hot Chili Peppers, Rush, Slayer, Slipknot, System of a Down, Tool, Weezer
Some cheap guitars plugged into a mixer, and an XP computer with Audacity and FL Studio.
