Supply & Demand is the debut studio album by American Southern hip-hop duo Playaz Circle from Atlanta. It was released on October 30, 2007, via Disturbing tha Peace and Def Jam South Recordings. Recording sessions took place at Upstairs Studio, The Bank, Hot Beats Recording Studios, The Ludaplex, PatchWerk Recording Studios and Doppler Studios in Atlanta, at Area 51 in Detroit, at Legacy Recording Studios in New York, at Hit Factory Criteria, Circle House Studios and H&N Studio in Miami. Production was handled by B-Crucial, Bigg D, Buckwild, Drumma Boy, Jean "J Rock" Borges, Knoxville, M16, Midnight Black, Mr. Porter, Streetrunner, Tony Dinero and Wonder Arillo, with Chaka Zulu, Jeff Dixon and Ludacris serving as executive producers. It features guest appearances from Ludacris, Lil Wayne, Phonte and Shawnna.