sentences:  In 1946, after leaving the Army, Phil joined Leonard in running a popular club, the Macomba Lounge.Two years later, Leonard became a partner in Aristocrat Records, a local company that recorded a wide range of music, and Phil joined in 1950.The company then changed its name to Chess Records, and began concentrating on R&B music, signing and recording artists such as Muddy Waters, Bo Diddley, "Sonny Boy Williamson" (Rice Miller), Robert Lockwood Jr., Etta James, Willie Dixon, Howlin Wolf and Chuck Berry.