Pittsburgh Police hats with checkered bands, which are dark navy blue and gold in color, popularly known as the "Sillitoe Tartan" and named after its originator, Percy J. Sillitoe, Chief Constable of Glasgow, Scotland, in the 1930s. While the checkered band is a common police symbol in the United Kingdom, Australia and some European countries, the Chicago Police Department, Cook County Sheriff's Police, the Allegheny County Sheriff's Office, and the Pittsburgh Bureau of Police are the only police forces in the United States that have adopted it as part of their uniforms. As recently as July 1930, police were required to wear
Who Are the Brain Police? interview, Zappa added: The song's structure was described in detail by AllMusic: The song was stated to be a "direct defiance of top 40 radio". Repetitive lyrics were noted as part of this "defiance". The song was also cited by Mojo magazine as "one of the scariest songs to ever emerge from the rock psyche". While comparing it to Kafka, "Mojo" described the song as "a vision of contemporary America where personal identity and individuality is erased". with: Who Are the Brain Police? "Who Are the Brain Police?" is a Frank Zappa song, performed by The Mothers of Invention, released