Question: What was the American intelligence agency that one of the producers of Master Tracks worked for during World War II?

<P0-S0> The Miernik Dossier, published by the Saturday Review Press in 1973, was the first of seven novels by the American novelist Charles McCarry featuring an American intelligence agent named Paul Christopher. <P0-S1>  Set in 1959 in Europe and Africa during the days of the Cold War, it is narrated in the form of reports, overheard conversations, and various documents from a multitude of sources of different nationalities, supposedly giving the reader an authentic picture of what an actual intelligence operation might be like. <P0-S2>  McCarry had previously been an undercover operative for the Central Intelligence Agency for nine years, and the book was hailed for its apparent authenticity and realistic depiction of tradecraft. <P0-S3>  It received excellent reviews, and instantly established McCarry's reputation as one of the foremost American novelists of espionage. <P0-S4>  Later books by McCarry, nine more in all, expanded from focusing solely on Christopher into what might be considered a chronicle of the Christopher universe: two novels feature his cousins, the Hubbards, and in many of the other Christopher novels his father, mother, one-time wife, and daughter play important and recurring roles. <P0-S5>  Also in this universe is a 1988 historical novel, "The Bride of the Wilderness", about Christopher's ancestors in 17th-century England, France, and Massachusetts. <P0-S6>  Like all of McCarry's books, this one displays "an almost Jamesian awareness of [its] European locale, the special authenticity of a loving expatriate writing of an adopted foreign land." <SEP> <P1-S0> Master Tracks is a Canadian television series where an emerging band is given one day to record a song with acclaimed producers Moe Berg and Laurence Currie. <P1-S1>  It was launched on aux.tv, a Canadian music website, and BiteTV, a digital cable channel, in March 2009 and currently airs on both. <P1-S2>  The show aims to provide viewers with a behind-the-scenes look at how records are produced while profiling new and emerging artists. <SEP> <P2-S0> Morris "Moe" Berg (March 2, 1902 – May 29, 1972), was an American catcher and coach in Major League Baseball who later served as a spy for the Office of Strategic Services during World War II. <P2-S1>  Although he played 15 seasons in the major leagues, almost entirely for four American League teams, Berg was never more than an average player, usually used as a backup catcher, and was better known for being "the brainiest guy in baseball" than for anything he accomplished in the game. <P2-S2>  Casey Stengel once described Berg as "the strangest man ever to play baseball". <SEP> <P3-S0> William Joseph ("Wild Bill") Donovan (January 1, 1883 – February 8, 1959) was an American soldier, lawyer, intelligence officer and diplomat. <P3-S1>  Donovan is best remembered as the wartime head of the Office of Strategic Services (OSS), the precursor to the Central Intelligence Agency, during World War II. <P3-S2>  He is also known as the "Father of American Intelligence" and the "Father of Central Intelligence". <P3-S3>  "The Central Intelligence Agency regards Donovan as its founding father," according to journalist Evan Thomas in a 2011 "Vanity Fair" profile. <P3-S4>  The lobby of CIA headquarters, in Langley, Virginia, now features a statue of Donovan. <P3-S5>  Thomas observed that Donovan's "exploits are utterly improbable but by now well documented in declassified wartime records that portray a brave, noble, headlong, gleeful, sometimes outrageous pursuit of action and skulduggery."